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Stars and Planets

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  • What is the primary cause of noise pollution? A) B) C) D)
    Nature sounds
    Talking
    Music
    Unwanted or loud sounds
  • What is the volume of this figure in cubic units?
    16 cubic units
  • Which of the following statements is true about sound?
    Sound can travel through vacuum.
    A loud sound has less energy than a soft sound.
    Sound can travel through gases only.
    Sound is a form of energy caused by vibrations of objects.
  • T/F.Elephants and horses give us early warning of earthquakes as they can detect these sounds that are far from the earthquake stricken areas.
    False
    True
  • The diagram shows a section of the main parts of the human ear. Name N.
    Eardrum
    Ear canal
    Pinna
    Ear wax
  • The nearest star to Earth is the Sun.
    True
    False
  • 1 l = ______ ml
    1000
  • Why do constellations appear to move across the sky?
    Because stars move rapidly
    Due to changes in weather
    They are moving in space
    Because of the Earth's rotation
  • What range of sound can elephants hear?
    16 to 12,000 Hz
    40 to 46,000 Hz
    10 to 15,000 Hz
    60 to 70,000 Hz
  • What type of sound is created by a tuba?
    Low-pitched
    No pitch
    Medium-pitched
    High-pitched
  • Name the constellation.
    Aries
  • What is the volume of this figure in cubic units?
    8 cubic units
  • Which part of the ear collects sound vibrations?
    Pinna
  • Name the constellation.
    Pisces
  • Name the constellation.
    Aquarius
  • True or False: The Earth rotates from East to West.
    False
    True
  • How many l in 6 m³?
    6,000
  • Which is the correct spelling?
    Voulium
    Volume
    Volyum
    Vulome
  • 8,500 cm3 = _________ l
    8.5
  • 1,150 milliliters = _________ cubic centimeters
    1,150
  • 479 cm = ... m ... cm
    4 m 79 cm
  • How many official constellations are there?
    88
  • 18 m3 = __________ l
    18,000
  • Moon revolve around the Sun in their orbits. True or False
    False
  • This high-pitched sound wave could be made from ___________.*a. flute b. tuba
    Flute
  • What does the loudness of a sound depend on?
    The length of the sound wave
    The pitch of the sound
    The frequency of the sound
    The amount of energy in the vibration
  • As distance from a sound source increases, the sound becomes:
    Louder
    Fainter
    Higher-pitched
    Noisier
  • Name the constellation.
    Gemini
  • Which rubber band makes the lowest pitch?
    rubber band 3
  • Find the Volume
    216 feet cubed
  • 8 m 77 cm = ... cm
    877 cm
  • How many kilograms is 8,700 g equal to?
    8.7 kg
  • Why should construction workers wear headphones?
    to prevent ear damage caused by loud sounds
  • True or False: Various combinations of fingers can help estimate the sizes of angles in the sky.
    True
    False
  • T/F.The reflected sounds or echoes help the bats to fly in the dark cave.
    False
    True
  • Name the angle that is VERTICAL from angle 4.
    Angle 1
  • 351 cm = ... m ... cm
    3 m 51 cm
  • It is an unofficial constellation and it can be a part of a constellation.
    asterism
  • What is the volume?
    27
  • 2 ml = _________ cm3
    2
  • Why can elephants detect earthquakes at far places?
    They can detect low-frequency sounds
    Their ears are very huge
    They are very heavy
    They have huge-sized body
  • Find the measure of the missing exterior angle.
    125 degrees
  • Planets revolve around the Sun in their orbits. True or False
    True
  • Name the constellation.
    Cancer
  • 4 m 81 cm = ... cm
    481 cm
  • The _________ of a sound depends on the size of vibration
    Loundness
  • What is the nearest star to Earth?
    Proxima Centauri
    Sirius
    Betelgeuse
    The Sun
  • 23.4 kg = _____ g
    23,400 g
  • Is this a sound source?
    No
  • T/F The faster the vibration, the lower the sound
    False
  • What is one benefit of hearing?
    It decreases sound intensity
    It helps us avoid danger
    It increases touch sensitivity
    It allows us to see better
  • Convert 95 l to ml.
    95,000 ml
  • 4 m 59 cm = ... cm
    459 cm
  • The figure shows the base layer of a rectangular prism. The final prism will have 7 layers. What is the volume of the prism?
    140 cubic units
  • Find the measurement of angle 6 AND name the relationship between the two angles
    40 degrees, Same Side Exterior
  • 2.3 kg = _____ g
    2,300 g
  • What is the volume?
    108
  • 11.6 l = __________ cm3
    11,600
  • Which would sound travel faster?*a. bottom of ocean b. shallow pool c. block of wood d. air
    c. block of wood
  • What are zodiacal constellations? A) B) C) D)
    Constellations formed by a single star
    A family of constellations visible at specific times of the
    Constellations that can be seen year-round
    Constellations located in the Northern Hemisphere
  • How can you estimate the angles of objects in the sky?
    By using your hands
    By counting stars
    By using a telescope
    By measuring with a ruler
  • 895 cm = ... m ... cm
    8 m 95 cm
  • 8 m 36 cm = ... cm
    836 cm
  • This low-pitched sound wave could be made from__________.*a. flute b. tuba
    Tuba
  • A group of stars that forms a pattern is called _______.
    constellation
  • 44,000 ml = __________ l
    44
  • Find the measurement of angle(c) give a reason for your answer
    10
  • 1 ml = ______ cm³
    1
  • Find the Volume
    448 feet cubed
  • True or false. Sound can only travel through gases.
    false
  • 3 kg 600 g = _____ kg
    3.6 kg
  • It looks like a hunter. It has an asterism that consists of three stars in a row. Its two brightest stars are Betelgeuse and Rigel. Name it.
    Orion
  • Our Sun is a star. True or False
    True
  • 4 m 88 cm = ... cm
    488 cm
  • Which part of the ear collects sound vibrations?
    Pinna
  • Does sound travel in a vacuum?
    no, it cannot
  • What is sound a form of?
    Matter
    Energy
    Heat
    Light
  • A watermelon has a mass of 2.73 kg. What is its mass in grams?
    2,730 g
  • 15 degrees
  • Name it.
    The Orion
  • Why can elephants detect distant earthquake sounds?
    They communicate by touching
    They have excellent vision
    They can hear low frequencies
    They are always near water
  • 116 l = __________ cm3
    116,000
  • Find the measure of the missing interior angle.
    60 degrees
  • Name the constellation.
    Sagittarius
  • How many cm³ in 9 ml?
    9
  • 5 degrees
  • Orion
  • What is the volume?
    12
  • The ___________ of an object in the sky is the size of the angle from the horizon to the object.
    altitude
  • Find the measurement of angle(b) give a reason for your answer
    170
  • 804 cm = ... m ... cm
    8 m 4 cm
  • Which of the following is NOT a recognized constellation?
    Zodiac
    Southern Cross
    Big Dipper
    Orion
  • Which celestial body is considered a star?
    the Sun
  • Planets reflect the light from the Moon. True or False
    False
  • How long does it take for the Earth to complete one revolution around the Sun?
    1 year
  • Can humans hear sound of 25,000 Hertz?
    Yes
    No
  • The Earth is a planet. True or False.
    True
  • How is sound carried to our brain?
    Through the ear canal
    By blood vessels
    Through nerves
    By muscles
  • Which constellation is known for the three stars that form its "belt"?
    Orion
    Scorpius
    Andromeda
    Cassiopeia
  • What kind of sound is unpleasant and often causes discomfort?
    Noise
    Music
    Echo
    Melody
  • Is this a loud sound or a quiet sound?
    A loud sound
  • Find the measurement of angle c give a reason for your answer
    110
  • Name the constellation. A. Plough B. Cassiopeia C. Orion D. Canis Major
    A. The Plough
  • What is a celestial sphere?
    A planet's orbit
    A type of star
    A constellation
    A model that represents the apparent position of stars
  • 23.5 liters = ________ cubic centimeters
    23,500
  • Is this a quiet sound source?
    No
  • True or False: The zenith is the point in the sky directly above an observer.
    True
    False
  • 8500g+ 5.6 kg= _________ kg
    14.1kg
  • We can only see stars that are in the opposite direction of the Sun. True or False.
    True
  • ___________ rely on sounds to fly about.
    Elephants
    Bats
    Dogs
    Cats
  • 150 milliliters = _________ cubic centimeters
    150
  • What type of sound can cause noise pollution?
    Construction site noise
    Soft voices
    Birdsong
    Classical music
  • Why do sounds become fainter as they travel?
    The energy of the sound decreases
    The frequency of the sound increases
    The sound waves stop vibrating
    Air absorbs the sound
  • If angle 3 is 50 degrees, find the measure of angle 4.
    130 degrees
  • The loudness of a sound can be measured in _______.
    decibels
  • How can constellations be used in navigation?
    They provide a calendar
    They help measure distances on Earth
    They indicate direction and position in the sky
    They predict weather changes
  • What is the volume?
    18
  • Stars only appear at night. True or False
    False
  • 50 l = _________ ml
    50,000
  • Label B.
    Eardrum
  • What is needed to produce loud sounds?
    A quiet room
    A lot of energy
    A sound proof room
    A high pitch
  • What might happen to her ears?
    She might damage her ears.
  • What is the total number of cubes that will be in the box when the box is completely full?
    144
    29
    120
    24
  • A _________ or star chart is used to find stars and constellations in the sky.
    star map
  • What is the volume?
    15
  • Find the Volume
    1080 feet cubed
  • Which tool would you use to observe distant stars in detail?
    Microscope
    Binoculars
    Telescope
    Star map
  • Stars give out electricity. True or False
    False
  • How many liters are there in 24 cubic meters?
    24,000 l
  • A loud sound carries less energy than a soft sound. True or False
    False
  • Sound can travel through ____________, ________, _________.
    liquids, solids and gases
  • Brett's favorite fruit juice comes in a box shaped like a rectangular prism. The dimensions of the box are 5 centimeters by 4 centimeters by 10 centimeters. What is the volume of a box of fruit juice?
    200 cubic centimeters
  • What type of chart helps in locating constellations?
    Star chart
    Geological chart
    Weather chart
    Navigation chart
  • What type of energy does a soft sound carry?
    Constant energy
    High energy
    No energy
    Low energy
  • All three angles in a triangle add up to.....?
    180 degrees
  • Find the measurement of angle c give a reason for your answer
    25
  • The point in the sky directly above an observer is called ___________ .
    zenith
  • Find the measurement of angle 4 AND name the relationship between the two angles.
    55 degrees, corresponding
  • 6 m 34 cm = ... cm
    634 cm
  • Sound frequency is measured in:
    Hertz
  • 20 degrees
  • Name the constellation.
    The Big Dipper
  • What causes sound to be produced?
    Chemicals
    Heat
    Light
    Vibrations
  • 12,005 g = _____kg
    12.005kg
  • How many cm³ in 3 m³?
    3,000,000
  • What type of sound has low frequency?
    Loud
    Low-pitched
    No pitch
    High-pitched
  • 5,056 g = _____ kg
    5.056 kg
  • What vibrates when we speak or sing?
    our vocal chord
  • True or False: The Southern Cross is a part of the constellation Crux.
    True
    False
  • What unit is used to measure the loudness of sound?
    Joules
    Meters
    Hertz
    Decibels
  • True or False: The stars appear to rise in the West and set in the East due to Earth's rotation.
    False
    True
  • True or False. 5.3 kg = 5,300 g
    True
  • True or False: Zodiacal constellations can be seen at any time of the year.
    False
    True
  • Find the Volume
    450 feet cubed
  • It is used to find stars and constellations in the sky.
    star map
  • Name the constellation. Name the constellation. A. Plough B. Cassiopeia C. Orion D. Canis Major
    C. Orion
  • Name the constellation.
    Leo
  • Convert 9.5 l to ml.
    9,500 ml
  • Name the constellation.
    Capricorn
  • Which constellation contains the asterism known as the Southern Cross? A) B) C) D)
    Cassiopeia
    Orion
    Scorpius
    Crux
  • Which of the following instruments need to be blown to produce sound?
    violin
    cymbals
    drum
    trumpet
  • How do cymbals produce sound? *a. it's struck b. air is blown c. a bow d change the length of tube with air
    A
  • What is the volume?
    4
  • Maura is starting a science experiment. She will grow salt crystals in a clear plastic box. The inside of Maura's box is 9 inches long and 5 inches wide. Maura pours salt water into the box to a height of 4 inches. What is the volume?
    180
  • hy do stars seem to rise in the East and set in the West?
    They are moving around the Earth
    It is an illusion
    The stars themselves are rotating
    The Earth rotates from West to East
  • What is the volume?
    18
  • 8,100 milliliters = _________ liters
    8.1
  • Name the constellation.
    Libra
  • Label C.
    Ear canal
  • A sound that is both very loud and high-pitched is likely to:
    Have low energy
    Cause deafness with extended exposure
    Have a low frequency
    Travel slowly
  • __________ can hear in the range of 40 to 46,000 Hertz.
    Bats
    Dogs
    Elephants
    Cats
  • Sound is a form of energy caused by vibrations of objects. True or False
    True
  • Is this a sound source?
    Yes
  • Sound travels slowest through ___________.*a. gas b. liquids c. solids
    b. liquids
  • Which animal uses echoes to navigate in darkness?
    Bat
  • The unit for frequency is:
    Hertz
  • Sound travels as vibrations
    True
  • Find the measurement of angle(a) give a reason for your answer
    155
  • Name the constellation.
    Scorpio
  • What is the instrument used to measure the loudness of a sound?
    Sound level meter
  • Name the constellation. A. Cynus B. Lyra C. Ursa Major D. Aquarius
    C. Ursa Major
  • Find the measurement of angle(a) give a reason for your answer
    170
  • Is Venus a star or a planet?
    Planet
  • Which THREE prisms have a volume of 24 cubic units?
    C, D, E
  • Find the Volume
    24 inches cubed
  • These are balls of gases made up of mainly hydrogen and helium.
    Stars
  • T/F.Listening to noises above 90 dB for an extended period of time can damage our ears and cause deafness.
    False
    True
  • Which part of the ear vibrates when sound waves hit it?
    Eardrum
  • __________ and cattle can hear as low as 16 Hertz.
    Elephants
    Bats
    Cats
    Dogs
  • 5.25 cubic meters = _________ liters
    5,250
  • Stars revolve around the Sun in their orbits. True or False
    False
  • 12.4 cubic meters = _________ liters
    12,400
  • Moon revolve around the Sun in their orbits. True or False
    False
  • What does azimuth describe?
    The angle from North to the object
    The distance of an object from Earth
    The height of an object in the sky
  • What is an asterism?
    A measure of distance in space
    A group of planets
    An unofficial constellation
    A type of star
  • ound needs a medium to travel. Which of the following is NOT a medium for sound?
    Solid walls
    Water
    Vacuum
    Air
  • Stars are smaller than the Earth. True or False
    False
  • What is the main difference between stars and planets?
    Stars shine, while planets do not
    Planets orbit stars, but stars do not orbit planets
    Stars are larger than planets
    All of the above
  • Sound travels faster through which type of medium?
    Solid
  • They produce a very high-frequency sound.
    Dogs
    Cats
    Elephants
    Bats
  • 500 l = _________ ml
    500,000
  • Name the constellation. A. Cynus B. Lyra C. Ursa Major D. Aquarius
    B. Lyra
  • Stars appear to rise in the _______ and set in the ________ .
    East .... West
  • What is the volume?
    120
  • 37 kg 360 g = _____ kg
    37.36 kg
  • 100.46 kg = _____ kg _____ g
    100 kg 460 g
  • The ___________ of an object in the sky is the size of the angle in clockwise from the North to the object.
    azimuth
  • What does the term "decibel" measure?
    Loudness
    Duration
    Speed
    Frequency
  • A star map describes the constellations that are visible from a location on the Earth at a given time of a year. True or False.
    True
  • What is the volume?
    80
  • T/F Sound cannot travel through solids because they are too hard
    False
  • __________ can hear in the range of 60 to 70,000 Hertz.
    Elephants
    Bats
    Cats
    Dogs
  • What is the volume of this solid shape in cubic units?
    32 cubic units
  • The unit for frequency is __________.
    Vibrations
    Hertz
    Pitch
    Frequency
  • What is the main purpose of a star chart?
    To calculate distances between planets
    To measure time
    To predict weather
    To help locate constellations and stars
  • In outer space, the astronauts shout at each other for communication. True or False
    False
  • 3.5 liters = ________ cubic centimeters
    3,500
  • What is the volume of the prism shown?
    1,400 cubic cm
  • 3.7 kg + 600 g=______ kg
    4.3kg
  • The Moon is a star too. True or False.
    False
  • The mass of a school bag is 3,200 g. What is its mass in kg?
    3.2 kg
  • 9 kg 800 g = _____ kg
    9.8 kg
  • A whistle produces a high-pitched sound. True or False
    True
  • The pitch of a sound refers to:
    The echo of the sound
    The duration of the sound
    How high or low the sound is
    The loudness of the sound
  • What can we do to hear a sound more loudly?
    Move closer to it.
  • 25 degrees
  • Name it.
    The Crux
  • How many cm³ in 4 l?
    4,000
  • 9 m 43 cm = ... cm
    943 cm
  • How many officially recognized constellations are there?
    88
  • Which part of the ear collects sound vibrations?
    Pinna
  • The unit for frequency is __________.
    Hertz
  • _________is how high or how low a sound is
    Hertz
    Vibrations
    Pitch
    Frequency
  • Find the missing interior angle
    41 degrees
  • What tool is used to find stars and constellations in the sky?
    Compass
    Star map or star chart
    Telescope
    Protractor
  • T/F High and low sounds are the same as loud and quiet sounds
    False
  • Find the measurement of angle b give a reason for your answer
    70
  • 1,200,000 cubic centimeters = _________ cubic meters
    1.2
  • what is the total measurement if you add them?
    8 degrees
  • What is the volume?
    50
  • 588 cm = ... m ... cm
    5 m 88 cm
  • 540 g = _____ kg
    0.54 kg
  • The figure shows the base layer of a rectangular prism that Tia built using blocks.
    36 x 4 = 144
  • When we move away from sound does it get quieter?
    Yes
  • Which part of the human ear vibrates to enable a person hear?
    Ear wax
    Eardrum
    Ear canal
    Pinna
  • Stars are balls of gases made up of mainly hydrogen and helium. True or False
    True
  • 9 m 77 cm = ... cm
    977 cm
  • Find the Volume
    2240 feet cubed
  • 4,000 l = _________ m3
    4
  • True or False. 2.02 kg = 2 kg 2 g
    False
  • Maria is measuring the dimensions of a rectangular prism. The length of her prism is 8 cm, the width is 2 cm, and the height is 3 cm. What is the volume of the prism?
    48 cubic cm
  • The pitch depends on the ___________.
    Frequency
  • Frequency is the number of ________ in a second
    Hertz
    Frequency
    Vibrations
    Pitch
  • A dog crate is shown below. What is the area in square inches of the shaded floor of the dog crate?
    864 square inches
    720 square inches
    1,080 square inches
    1,296 square inches
  • What is the volume of this figure in cubic units?
    18 cubic units
  • True or False: The stars in a constellation are all the same distance from Earth.
    True
    False
  • Sound travels fastest through ____________. *a. gas b. liquids c. solids
    c. solids
  • Why are stars seen as tiny bright dots in the night sky?
    This is because they are very far away from us.
  • What is the volume of this solid shape in cubic units?
    40 cubic units
  • Why might a whistle have a high pitch?
    It is very loud
    It vibrates at a high frequency
    It produces a long-lasting sound
    It vibrates at a low frequency
  • There are 88 officially recognized constellations.
    True
    False
  • Label A.
    Pinna
  • What is the volume?
    4
  • Two angles that are next to each other and FORM A LINE add up to how many degrees?
    180
  • The diagram shows a section of the main parts of the human ear. Name L.
    Ear wax
    Eardrum
    Pinna
    Ear canal
  • True or False: The Earth completes its revolution around the Sun in one month.
    True
    False
  • What is the volume?
    70
  • 711 cm = ... m ... cm
    7 m 11 cm
  • 2 degrees
  • The diagram shows a section of the main parts of the human ear. Name M.
    Pinna
    Ear wax
    Eardrum
    Ear canal
  • What is the zenith?
    The lowest point in the sky
    A type of constellation
    The point directly above an observer
    The angle from North
  • Frequency is the number of ________ in a second
    Vibrations
  • The Crux
  • What part of the ear directs sound into the ear canal?
    Cochlea
    Inner ear
    Eardrum
    Pinna
  • What is the volume of this solid figure in cubic units?
    30 cubic units
  • 1 m 83 cm = ... cm
    183 cm
  • True or False. Sound needs a medium to pass on the vibrations
    True
  • Find the Volume
    1792 feet cubed
  • Name the constellation.
    Virgo
  • 1 m 9 cm = ... cm
    109 cm
  • What is the volume?
    24
  • True or False: The patterns of constellations can look different to different people based on their imagination.
    True
    False
  • 40,000 l = _________ m3
    40
  • What is the frequency range of hearing for dogs?
    60 to 70,000 Hz
    20 to 20,000 Hz
    40 to 46,000 Hz
    16 to 50,000 Hz
  • What is the volume of this figure in cubic units?
    27 cubic units
  • The box shown is partially filled with unit cubes. How many unit cubes can fit into the box?
    36
  • Name the angle that is CORRESPONDING to angle 7.
    Angle 3
  • 737 cm = ... m ... cm
    7 m 37 cm
  • True or False: Some constellations can only be seen during certain times of the year.
    False
    True
  • Which letter pipe makes the highest pitch?
    A
  • 1,200 cubic centimeters = _________ cubic meters
    0.0012
  • There are _________ zodiacal constellations.
    12
  • The length of one edge of a cube is 2 units. What is the volume of the cube in cubic inches?
    6 cubic units
    4 cubic units
    8 cubic units
    16 cubic units
  • What is the volume of this solid shape in cubic units?
    60 cubic units
  • What is the medium that the sound travels through when we talk to our friends?
    gas
  • We can imagine that the stars are all located on a screen-like sphere with Earth at the center. What is this sphere known as?
    Celestial sphere
  • What is the range of hearing for humans?
    5 to 50,000 Hz
    10 to 15,000 Hz
    50 to 100,000 Hz
    20 to 20,000 Hz
  • What is needed to produce loud sounds?
    A lot of energy
  • What is the volume of this solid shape in cubic units?
    24 cubic units
  • Find the missing exterior angle.
    130 degrees
  • Name the constellation. A. Cynus B. Lyra C. Ursa Major D. Aquarius
    A. Cynus
  • In which direction do the stars appear to rise?
    South
    West
    North
    East
  • What angle is ALTERNATE EXTERIOR to angle 2?
    Angle 7
  • 602 cm3 = _________ ml
    602
  • In which medium does sound travel the slowest?
    Solids
    Liquids
    Gases
  • 200 cm = ... m ... cm
    2 m 0 cm
  • 1000 ml = ________ cm³
    1000
  • Can humans hear sound of 10 Hertz
    Yes
    No
  • Find the measurement of angle (b) give a reason for your answer
    25
  • The two brightest stars in the Orion are _________ and_____________.
    Betelgeuse and Rigel
  • Find the Volume
    882 feet cubed
  • Name the constellation. A. Plough B. Cassiopeia C. Orion D. Canis Major
    B. Cassiopeia
  • Find the Volume
    1188 feet cubed
  • What is the volume of this solid shape in cubic units?
    /16 cubic units
  • 9.02 kg = _____ g
    9,020 g
  • Stars seems to rise from the East and set in the West because the Earth rotates from the West to the East. True or False
    True
  • What is the size of angles represented by a handspan?
    20°
  • Find the measurement of angle a give a reason for your answer
    70
  • Name the constellation. A. Plough B. Cassiopeia C. Orion D. Canis Major
    D. Canis Major
  • Find the measurement of angle c give a reason for your answer
    85
  • 5 m 19 cm = ... cm
    519 cm
  • Find the measurement of angle a
    27
  • Planets give out heat and light. True or False
    False
  • Find the sum
    25 degrees
  • How many grams is 4.5 kilograms?
    4,500 grams
  • Which instrument makes the lowest pitch? (top/middle/bottom)
    middle
  • Big Dipper
  • 8,400 g = _____kg
    8.4 kg
  • A sound with a high frequency would have:
    A low pitch
    No pitch
    Low energy
    A high pitch
  • Find the measurement of angle b, give a reason for your answer
    120
  • 5 degrees
  • 1.8 m3 = __________ l
    1,800
  • What does altitude measure?
    The angle from the horizon to the object
    The distance of an object from Earth
    The brightness of a star
    The size of a constellation
  • Planets give out heat or light. True or False
    False
  • Will sound be produced when meteors crash in outer space?
    NO
  • Sounds get quieter as you move further away because the sound energy of the vibrations disappears.T /F
    False
  • 664 cm = ... m ... cm
    6 m 64 cm
  • Put these 3 things in order from slowest to fastest sound waves would travel. (table, water, air)
    air, water, table
  • Why should workers around loud machines wear ear protectors?
    To avoid distractions
    To improve sound quality
    To prevent hearing damage
    To listen to music
  • True or False: An asterism is the same as a constellation.
    True
    False
  • 4,900 g = _____ kg
    4.9 kg
  • True or False: The altitude of an object in the sky is the angle from the horizon to the object.
    False
    True
  • 9.5 kg = ___ kg ___ g
    9kg 500g
  • What is the path that the Earth takes around the Sun called?
    Trajectory
    Rotation
    Revolution
    Orbit
  • A constellation is a group of stars that forms a random pattern.
    False
    True
  • Can humans hear sound of 15,000 Hertz?
    No
    Yes
  • A student is filling a cube-shaped box with small cubes. The volume of each of these cubes is 1 cubic inch. What is the total number of small cubes that will fit in the box?
    125 cubic units
  • 762 ml = _________ cm3
    762
  • The length of one edge of a cube is 4 inches. What is the volume of the cube in cubic inches?
    64 cubic inches
  • 1 degree
  • The bigger the vibration, the louder the sound.T/F
    True
  • _________is how high or how low a sound is.
    Pitch
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