What kind of circuit is this?
Parallel circuit
What type of wave is a sound wave>
longitudinal
What is a solution?
When things are mixed and cannot be separated. When one substance dissolves in another
What does this picture show?
liquid
What kind of circuit is this?
Series circuit
What does this picture show?
element
What does this picture show?
solution
mixture
What is A?
outer ear
How can you tell if a chemical change has occured?
there might be color change, a different smell, different temperature, there could be gas coming from it ...
What is the name for materials that scatters light and only allows some of it to pass through?
Translucent
What is I?
ear canal
What is the name of the special machine that spins and changes motion into electrical energy as a backup source of electricity?
Generator
A change where a substance turns into a completely new substance, like metal rusting,
chemical change
Energy from the sun that can be used to produce heat, light, or electricity.
solar energy
What does this picture show?
Magnetic field
Is this an example of a physical change or chemical change?
chemical change
What does this picture show?
deposition (gas to solid)
A mixture where small pieces float around but don’t dissolve, often sinking to the bottom or floating on top.
suspension
When two magnets push back from eachother, they ________ because the poles are the same.
repel
What does this picture show?
mixture
solution
What is E?
retina
What is F?
optic nerve
What is this?
An atom
What is G?
anvil
What are the red lines showing?
amplitude
When you turn on a fan or a toy car that runs on batteries, a machine inside uses electrical energy to make the blades or wheels move. This kind of machine is called an ____________________.
electric motor
A material that slows down or stops heat from passing through, like wood or foam.
thermal insulator
The transfer of heat through empty space in the form of waves, like the warmth you feel from the sun.
radiation
What shows us the pitch of a sound?
amplitude
wavelength
intensity
frequency
What is E?
cochlea
How does the brain use sound waves?
It changes the vibrations into signals that are sent to the brain
What is B?
middle ear
Does this soundwave have a high frequency or a low frequency?
high frequency
What is C?
inner ear
What is B?
pupil
What kind of energy is being used here to make energy?
Hydroelectric energy
What kind of materials block all light?
Opaque
Light can travel through ______________.
space
A buildup of electric charge on the surface of an object, often caused by rubbing two things together.
static electricity
What are sound waves?
vibrations that carry sound
Is this an example of a physical change or chemical change?
chemical change
What two types of energy form mechanical energy?
Potential + Kinetic
What is light? Light is a form of _______________.
energy
What kind of surface allows us to see a clear image/reflection?
A smooth surface
What is F?
stirrup
What does this picture show?
molecule (or compound)
A circuit where all components are connected in a single path, so the same current flows through each one.
series circuit
What kind of materials scatter some light and let only part of it through?
Translucent materials
What is a compound?
When two or more elements are combined, like 2 hydrogen + 1 oxygen (which is water)
What is the center of an atom called?
The nucleus
The measure of how loud or how soft a sound is.
intensity
What is it called when light bends?
refraction
A mixture where one thing dissolves completely into another.
solution
What is it called when light bounces off a smooth surface?
Reflection
What unit is used to measure sound?
decibel
Materials that let electric charges (or heat) travel through them easily.
conductors
The measure of how high/how low a sound is.
pitch
Is this an example of a physical change or chemical change?
chemical change
What happens to the pupil when it is bright?
It becomes smaller.
Is this an example of a physical change or chemical change?
physical change
What kind of materials let most light pass through?
Transparent materials
What is stored “could move” energy called?
Potential energy
What does this picture show?
volume
When two magnets with opposite poles meet, they ______________ eachother.
attract
What kind of energy does a moving object have?
Kinetic energy
What is the name for materials that block light and don't allow any of it to come through?
Opaque
Why does light bend/refract? It changes _______________.
Light changes speed when it passes from air into water/glass.
What is a mixture?
when things are combined/mixed together but can be separated
Is this an example of a physical change or chemical change?
physical change
What happens to light that hits an object but is not absorbed?
It bounces off the object.
What are the red arrows showing?
evaporation
Give an example of where light comes from.
sun, streetlights, cellphones, televisions, lightbulbs ...
What is A?
cornea
How do you calculate density?
density = mass ÷ volume
When light, sound, or heat passes through a material.
transmission
What does this picture show?
gas
What is D?
hammer
The distance between two identical points on a wave, like from one peak to the next.
wavelength
Magnets have north and south ____________.
poles
What is an example of a translucent material?
Wax paper, stained glass, thick plastic
What does this picture show?
sublimation (solid to gas)
What is H?
ear drum
Anything that has mass and takes up space.
matter
A temporary magnet produced by an electric current is called an ________________________.
electromagnet
What is C?
iris
How much matter is packed into a certain amount of space.
density
Give two examples of transparent materials.
Glass, water ...
What is energy from the sun called?
Solar energy
What does this picture show?
density
A spiral-shaped part of the inner ear that helps convert sound vibrations into signals the brain can understand.
cochlea
What happens to the pupil when it is dim (not light)?
It becomes larger.
What does this picture show?
boiling point
Does the volume of the water change when you put an object in the water container?
yes
What does this picture show?
solid
The transfer of heat through the movement of liquids or gases, like warm air rising and cool air sinking.
convection
Give an example of a fossil fuel.
Coal/oil/natural gas
What is D?
lens
Does this soundwave have a high frequency or a low frequency?
low frequency
A pure substance made of only one type of atom.
element
What is heat energy from inside the Earth called?
Geothermal energy
How can we see objects? What happens to the light?
The light bounces off objects and enters our eyes.
When light, sound, or heat is taken in by a material.
absorption
The bending of light or heat as it passes from one material to another, like when a pencil looks bent in water.
refraction
What kind of energy is in a battery?
Chemical energy
What is the name for materials that allow light to pass through it?
Transparent
Is this an example of a physical change or chemical change?
physical change