THERMAL ENERGY VS. TEMPERATURE

1. A 4-inch wax candle is at a temperature of 19°C. Then, the candle's thermal energy increases. Assume its mass does not change.

Which is a possible new temperature for the wax candle?

• 17 degrees Celsius

• 24 degrees Celsius

• 15 degrees Celsius

• 12 degrees Celsius

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

2. Two stacks of pancakes have the same mass and temperature. They are combined into one larger stack.

The temperature of the larger stack of pancakes is about _________ the temperature of the original stacks of pancakes.

the same as twice one-half

• a. the same as

• b. twice

• c. one half

• d. no different

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

3. A pear is cut into four equal pieces.

The temperature of each piece of pear is about _____ the temperature of the original pear.

• a. the same as

• b. four times

• c. one fourth

• d. no difference

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

4. Two 250-gram cups of black tea are identical except for their thermal energies.

Which cup of black tea has a higher temperature?

• a. the cup of tea with less thermal energy

• b. the cup of tea with no thermal energy

• c. the cup of tea with some thermal energy

• d. the cup of tea with more thermal energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

5. Two bouncy balls have the same temperature but different masses. Which ball has more thermal energy?

The objects are made of the same type of matter.

• a. the bouncy ball with less mass

• b. the bouncy ball with no mater

• c. the bouncy ball with more matter

• d. the bouncy ball with more mass

Tags

NGSS.MS-PS3-4

6. A pile of hay is at a temperature of 11°F. Then the hay is divided in half.

The amount of thermal energy in each part is about _____ the amount of thermal energy in the original pile of hay.

• a the same as

• b. twice

• c. one half

• d. doubled

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

7. To move from one object to another or from one place to another is called ______

• a. system

• b. movement

• c. equilibrium

• d. transfer

Tags

NGSS.MS-PS3-5

8. When things get hotter, its molecules are moving _____ and have ______.

• a. faster; less kinetic energy

• b. slower, less kinetic energy

• c. faster, more kinetic energy

• d. steady, no kinetic energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

9. _____ is the measure of the ______ kinetic energy of the molecules of things.

• a. Temperature; total

• b. Heat; total

• c. Temperature; average

• d. Heat; average

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

10. As energy is transferred, it ______ in one part of the system as it _______ in another part of the system

• a. stays the same, decreases

• b. increases, stays the same

• c. increases; decreases

• d. increases; increases

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5