Mechanical
What are the two types of mechanical energy?
Potential and Kinetic
How does electrical energy travel?
Wires
Things that produce light often produce _________.
Heat
True or False:
Energy is the ability to make things move or change
Kinetic energy
True or False: Things that are moving have chemical energy
False
Can sound make objects move? If so, how?
Yes, through vibrations
If you rub two objects against each other very quickly for a little while, what will happen?
Both of the objects will warm up
Is matter changing from a solid to a liquid a physical or chemical change?
Physical Change
Is a ball at the top of a hill (not yet moving) potential or kinetic energy?
Potential Energy
What is an electrical circuit?
A closed pathway that allows energy to flow through
What can sound travel through?
Solids, liquids, and gases
How is a shadow created?
When an object blocks the path of light
What was the balloon experiment an example of?
Chemical change
What is an example of elastic potential energy?
A stretched rubber band
What is an example of a conductor?
Penny, Paper clip, metal, etc
What do light and sound have in common?
They both travel in waves
Light energy can travel through ___________.
empty space
What is the definition of chemical change?
A chemical change is when one substance turned into something different or a new substance is created.
Explain how a roller coaster shows potential and kinetic energy
Answers will vary
What is an example of a conductor?
Cloth, paper, wood, etc
Explain how the ear receives sound
Answers will vary
What is an example of a change in electrical energy to heat energy?
Stove, light bulb, etc
Explain the change of energy in a washing machine.
Answers vary