Energy
Sound
Force & Motion
Magnets
Gravity
100
What is energy?
The ability to do work and cause change.
100
What causes an object to make sound?
The object vibrates causing sound.
100
What is the act of moving?
Motion is the act of moving.
100
Define the word attract.
When objects are pulled toward each other
100
What would happen if you bumped your drink off the table? Why?
It would fall to the floor because of gravity.
200
What are the 3 types of energy
Electricity, heat, and light energy.
200
How does sound travel?
Sound travels through air waves.
200
What is a push or pull that makes something move?
Force is a push or pull that makes something move.
200
Define the word repel.
When objects push away from each other.
200
What is gravity?
Gravity is the force that pulls things toward the center of the earth.
300
Name 3 Sources of light energy.
Sunlight, lamp light, and candle light.
300
How does pitch effect sound?
It changes how high or low a sound is.
300
When you throw a ball, are you using push or pull?
You are using pull to bring your arm back and push to throw the ball away from you.
300
What are the two ends of a magnet called?
The north and south poles.
300
Is gravity still acting on objects sitting on tables?
Yes, it is acting on everything on Earth.
400
What causes a shadow?
Light being blocked by a solid surface.
400
Which instrument has a higher pitch, a flute or a tuba?
A flute has a higher pitch.
400
Which object would move farther if pushed with the same amount of force, a toy car or a wooden block? Why?
The toy car would move further because it is lighter.
400
What happens when you put like poles of two magnets together?
They repel each other.
400
What would happen if gravity did not exist?
Everything on Earth would float away.
500
What happens to light when it hits a mirror?
The light reflects or bounces off.
500
How do we hear sound?
Sound waves cause our ear drums to vibrate.
500
Is it easier to rollerblade in the grass or on the sidewalk? Why?
It is easier to rollerblade on the sidewalk because there is less friction.
500
Which of these object would not be attracted to a magnet? A paperclip, the whiteboard, the top of your desk? Why?
The top of your desk would not be attracted to the magnet because it is not made of metal.
500
Which animal would have a stronger pull of gravity, a gorilla or a chipmunk? Why?
The gorilla because it weighs more.
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