What organisms breaks down dead plants and animals?
decomposers
A duck flies 60 meters in 10 seconds and a blue jay flies 32 meters in 4 seconds. Which one has the fastest speed?
Blue Jay
What are organisms that have to eat to get energy?
Consumers
What causes the amount of direct sunlight received and seasonal temperature changes?
The tilt of Earth’s axis
Name the four planets that fit the following clues:
-closest to the sun
-their surfaces are solid (terrestrial planets)
-made up mostly of heavy metals such as iron and nickel
-have either no moons or few moons
Mercury
Venus
Earth
Mars
What type of consumers eats both plants and animals?
Omnivore
What is the difference between a rotation and revolution? How long does it take Earth to rotate & revolve?
Rotation is spinning once on its axis. Revolution is orbiting around the sun. Rotate=24 hours . Revolution = 365.24 days
What are organisms that make their own food?
Producers (Plants)
What are metallic, rocky bodies that orbit the sun but are too small to be classified as a planet?
Asteroids
What force slows objects down when they rub against one another?
Friction
Why does the Sun appear to be brighter and larger than other stars?
The Sun is closer to us.
Objects that vibrate slowly produce ________ pitches; objects that vibrate quickly produce _______ pitches.
slowly = low pitches
quickly = high pitches
The Sun’s position in the sky changes in a single day and from day to day.
During which season does the Sun appear to rise and set in the lowest path?
Winter
Why is Pluto classified as a dwarf planet?
Pluto has not "cleared its neighborhood" around its orbit.
Plants make food through a process called what?
Photosynthesis
How many stars are there in our Solar System?
1 (Our Sun)
What type of consumer eats plants?
Herbivore
How can the motion of an object change?
By speeding up, slowing down, or changing direction.
What type of consumer eats only other animals?
Carnivore
Movement is measured by speed.
How is speed calculated?
Distance divided by time
What keeps the planets in orbit revolving around the sun?
Gravity
What travels in a straight line and can move through solids, liquids, gases, and empty space?
Light
What are the three types of symbiotic relationships?
Mutualism
Commensalism
Parasitism
Two wagons sitting on a flat road, one empty and one filled with rocks, are pushed at the same time with the same force. Which wagon will move the furthest and why?
The wagon that is empty will move the furthest.
Because the more mass an object has, the more force it will need to move.
What represents an intertwining of food chains within the same ecosystem?
Food Web