Force & Motion
Light & Sound
Ecosystems
Earth & Space
Matter & Energy
100
What is a force?
A push or a pull.
100
Light travels in a _______.
A Straight Line
100
A living thing that makes its own food.
Producer.
100
What causes day and night?
Earth’s rotation.
100
Anything that has mass and takes up space is called what?
Matter.
200
A student pushes a box harder and it moves faster. What changed?
The amount of force increased.
200
Transparent, translucent, or opaque: A frosted shower door.
Translucent.
200
What is a consumer that only eats plants?
Herbivore.
200
How long does it take Earth to orbit the Sun?
One year.
200
Solid, liquid, or gas: Which state has particles far apart and moving freely?
Gas.
300
What two factors affect how much friction occurs?
The texture of surfaces and the amount of force pressing them together.
300
What happens when light bends as it passes through water or glass?
Refraction.
300
In a food chain, what do arrows show?
The direction energy flows.
300
Why do we see different constellations in different seasons?
Earth orbits the Sun, changing our view of space.
300
What type of energy is stored in food?
Chemical energy.
400
A ball rolls across grass and slows down. What force caused this?
Friction.
400
Sound is caused by what?
Vibrations/Sound Waves
400
If all the rabbits in an ecosystem disappear, what happens to foxes?
Their population decreases due to less food.
400
What does the Moon control on Earth?
The ocean tides.
400
When water evaporates, what change of state occurs?
Liquid to gas.
500
A student pushes two carts with the same force. Cart A has more mass than Cart B. Which cart will accelerate more, and why?
Cart B will accelerate more because objects with less mass accelerate more when the same force is applied.
500
A pencil looks “broken” in a cup of water. What property of light causes this?
Refraction.
500
What would happen if the Grasshopper population doubled it size? How would this effect the other organisms?
Discuss with Class
500
The Sun appears to rise in the east and set in the west because Earth is doing what?
Rotating on its axis.
500
A roller coaster at the top of a hill has what kind of energy?
Potential energy.