Energy of Motion
What happens when a batter hits a ball with a bat?
A. all energy of motion is transformed to sound energy
B. some energy of motion is transformed to light energy
C. some energy of motion is transformed to sound energy
C. some energy of motion is transformed to SOUND energy
Which is an example of sound energy?
A. a flashlight shining
B. a frisbee flying through the air
C. a candle burning
D. a whistle burning
D. a whistle burning
What is the energy of heat called?
A. vibrations
B. thermal energy
C. motion
D. sound waves
B. thermal energy
What is light energy?
A. energy you can see
B. energy you can feel
C. energy you can hear
A. energy you can see
In one of our investigations, what happened when a moving ball collided with the wall?
A. the ball stopped moving
B. the ball lost ALL its energy of motion
C. the ball changed its direction and speed
C. the ball changed direction and speed
What are rapid back and forth movements called?
A. vibrations
B. sound waves
C. thermal energy
A. vibrations
A log burning in a fire produces what kind of energy?
A. light
B. heat
C. sound
D. all of the above
D. all of the above
Which is an example of light energy?
A. ice cream melting
B. a street light illuminating the road
C. a ball bouncing
B. a street light illuminating the road
A boy sees a rock on the sidewalk. He kicks it. Which is true about the rock?
A. the rock's speed decreased
B. the rock lost thermal energy
C. the rock gained energy of motion
C. What is the rock gained energy of motion
If you drop a plate on a wood floor, it will make a loud noise when it hits the floor. Why does this happen?
*describe what transformation happens?
Some of the plate's energy of motion transformed into sound energy.
Which is an example of thermal energy?
A. wind blowing leaves
B. throwing a ball
C. cooking food
C. cooking food
Besides the sun, name another source of light.
Examples
lightbulb
fire
flashlight
lightening bug
When a baseball collides with a catcher's mitt, what two types of energy can the ball's energy of motion transform into?
Sound and Heat
When something moves, the air particles around it start to vibrate. How do the vibrations reach your ears?
The vibrations travel in SOUND WAVES.
How does thermal energy ALWAYS travel?
Thermal energy always travels from a WARM object TO a COLD object
Name an example of light energy in a classroom.
Examples
sun shining in the window
light from lightbulbs
light from projector
Name an example of energy of motion at the beach.
Example
Waves moving
kids swimming
lifeguards running
sand blowing
Name an example of sound energy at a parade.
Examples
clapping
music playing
kids yelling
Name an example of heat energy in your house.
Examples
stove
hot cup of cocoa
heat blowing from vent