The ability to perform work or to change an object.
What is work?
100
A student standing near a campfire feels warmer as the fire grows.
What is convection?
100
Metal is an example of a...
What is conductor?
200
Heat energy is measured in...
What is temperature?
200
Stored energy that is related to high off the ground something is.
What is potential energy?
200
Energy can be...
a. created
b. destroyed
c. transferred
What is transferred?
200
Thermal energy transferring through empty space as rays.
What is radiation?
200
Air is an example of a...
What is insulator?
300
The three methods of heat transfer.
What are conduction, convection, and radiation?
300
When does a bouncy ball have the greatest amount of potential energy?
What is when it reaches the highest point in the air?
300
A book on a shelf has what type of energy... a. potential b. kinetic c. thermal d. electrical
What is potential energy?
300
When two objects are touching, heat is transferred from the warmer object to the cooler one by this method.
What is conduction?
300
Copper, aluminum, and iron are examples of...
What are conductors?
400
When something cools it is because...
Heat is removed or has been lost.
400
A ball rolling on the floor is an example of...
What is kinetic energy?
400
Kaylee is on a roller coaster. When does the car that she is riding in have the most potential energy?
a. at the top of the highest hill
b. in the middle of the highest hill
c. At the bottom of the highest hill
d. On the lowest and flattest part of the roller coaster
What is a. at the top of the highest hill?
400
12 drink cans are put into a metal bucket of ice. Which statement best explains how heat will be exchanged as the ice melts?
a. The drinks will gain heat from the ice
b. the metal bucket will gain heat from the drinks
c. the air will gain heat from the ice
d. the ice will gain heat from the bucket
d. The ice will gain heat from the bucket
400
The flow of energy through a liquid or gas caused by hot parts rising and cool parts sinking.
What is convection?
500
A material that allows heat energy to flow through it easily.
What is a conductor?
500
A marble is sitting on a table and then falls. Describe its energy transfer.
What is potential energy to kinetic energy?
500
What cell part breaks down food and turns it into energy?
What is the mitochondria?
500
Isabella filled a glass with warm water. She measured the temperature, and it was 30 C. She left the glass on the table in a room that was 20 C. A few hours later she measured the water temperature again and it was 24 C. Which best explains why the water temperature changed?
Heat energy in the water transferred into the cooler air.
500
Transfer of energy through electromagnetic rays traveling through empty space.