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- 1. Multiple Choice
Molecules in a hotter sample will....
have more kinetic energy
be moving faster
be moving slower
be red in color
- 2. Multiple Choice
Molecules move at the same speed no matter what the temperature.
true
false
- 3. Multiple Choice
There will always be heat transfer between two objects that are touching if...
the temperatures are the same in each sample
there is a difference in temperature between samples
- 4. Multiple Choice
When will heat transfer stop? Select ALL that apply.
When the molecules reach a state of equilibrium
When the molecules are moving at the same speed
When the kinetic energy is equal
When there is a phase change from liquid to gas
- 5. Multiple Choice
Kinetic energy is the energy of...
electricity
potential movement
motion of molecules
radiation
- 6. Multiple Choice
Energy will always be transferred from the...
hotter sample to the colder sample
colder sample to the hotter sample
- 7. Multiple Choice
Energy transfers occur when....
objects bond with each other
objects collide with each other
naturally without reason
something is cold and something is hot
- 8. Multiple Choice
When a hot and cold sample first come into contact with each other...
all of the molecules in both samples will have the same kinetic energy
some of the molecules in both samples will have a different kinetic energy
- 9. Multiple Choice
After these two samples achieve equilibrium the temperature will be 30.
true
false
- 10. Multiple Choice
Water freezes at....
0 degrees Celsius
32 degrees Celsius
32 degrees Fahrenheit
45.8 degrees Celsius
- 11. Multiple Choice
Once heat transfer is complete the temperature here will be
16 degrees
12 degrees
10 degrees
8 degrees
- 12. Multiple ChoiceHeat transfers from an area of ____temperature to an area of ___ temperature.high to lowlow to highhigh to highIt can travel high to low and low to high.
- 13. Multiple Choice
The more molecules an object has...
the higher its temperature.
the more thermal energy it has.
the more degrees it has.
the more kelvins it has.
- 14. Multiple Choice
Stephen puts a hockey puck onto ice. After a while the temperature of the hockey puck decreases. What happens to the molecules of the hockey puck when the temperature of the puck decreases?
The hockey puck loses heat molecules.
The energy of the molecules in the hockey puck decreases.
The energy of the molecules in the hockey puck increases.
The cold energy of the molecules in the hockey puck increases.
- 15. Multiple Choice
Lava is hot liquid rock. When lava flows over solid ground, the solid ground beneath it increases in temperature. What happens to the molecules in the solid ground when the temperature is increasing?
More heat molecules combine with the molecules in the ground.
The cold energy of the molecules in the ground decreases.
The energy of the molecules in the ground decreases.
The energy of the molecules in the ground increases.
- 16. Multiple Choice
Which of the following choices show the correct order for an item that is at 90 degrees Fahrenheit?
Less Heat -> Fast Molecules -> Less Kinetic Energy
More Heat -> Fast Molecules -> More Kinetic Energy
Less Heat -> Slow Molecules -> More Kinetic Energy
More Heat -> Slow Molecules -> Less Kinetic Energy
- 17. Multiple Choice
Which image shows the difference between the speed of molecules in hot and cold water?
Image A
Image B
Image C
Image D
- Answer choicesTagsAnswer choicesTags