Which of the following demonstrates the use of light energy.
a. using a flashlight.
b. using a magnet to attract paperclips.
c. listening to the radio.
a. Using a flashlight
100
What is light energy?
Light energy is the energy we can see. It comes from the sun, light bulbs, flashlights, etc.)
100
When you are "pushing" on an object, what are you doing?
Moving the object away from you or another object.
100
Which object will hit the ground first.
A feather or a penny?
A penny because it has a greater mass.
100
What does repel mean?
To push away.
200
Which of the following demonstrates the use of sound energy.
a. using a flashlight.
b. using a magnet to attract paperclips.
c. listening to the radio.
c. listening to the radio.
200
What is mechanical energy?
Mechanical energy is the movement of an object from one place to another. (sweeping, walking, pushing a shopping cart, etc)
200
When you are "pulling" on an object you are doing what?
You are moving it closer to you or another object.
200
The position of something is the objects ________.
Location
200
What does attract mean?
to pull together.
300
This form of energy comes from a vibration.
Sound energy.
300
What is sound energy?
Energy that you can hear, it is made when matter vibrates.
300
Motion is a ________ in postion.
Change
300
Which of the following is NOT an example of changes in motion and positon.
a. child picking up a ball.
b. car driving on the street.
c. mopping the floor.
d. leaves sitting on the sidewalk.
d. leaves sitting on the sidewalk.
300
What is magnetism?
the pull between an object and a magnet.
400
Pulling a wagon across the street is an example of what form of energy?
Mechanical Energy.
400
What is heat/thermal energy?
The energy of moving particles.
400
A force is what?
a push or pull.
400
What does soccer, baseball, tennis, and basketball all have in common?
They are all based on the idea of motion.
400
Which of the following is NOT magnetic?
a. penny
b. paper clip
c. iron
a. Penny
500
What form of energy could you use to quickly melt an ice cube?
Heat/Thermal Energy
500
What form of energy is being used when you are pushing a stroller across the floor?
Mechanical energy
500
When you are bouncing a ball what force is used most often.
a. pushing b. pulling
a. pushing. You are pushing the ball down to the ground or away from your body.
500
What is gravity?
Gravity is the force that pulls objects toward each other.
500
What is the Pole on a magnet.
The place on the magnet where magnetisim is the strongest.