Energy Test Review

1. Which statement below is true when metal is heated?

• The kinetic energy of particles decreases when metal is heated.

• The kinetic energy of particles increases when metal is heated.

Tags

NGSS.MS-PS1-4

2a. Water boils at 100°C and turns into steam. Will the particles have more space between them as steam or as liquid water?

• The particles will have more space between them as liquid water.

• The particles will have more space between them as steam.

Tags

NGSS.MS-PS1-4

2b. Water boils at 100°C and turns into steam. Will the particles be moving at the same speed as steam and as liquid water or will they be moving at different speeds? (Hint: Remember, the temperature is 100°C for both states!

• Particles will be moving at the same speed in both states because the temperature is 100°C for both states.

• Particles will be moving at different speeds in both states because the temperature is different for both states.

Tags

NGSS.MS-PS1-4

4. An increase in thermal energy leads to _____

• an increase in heat and an increase in kinetic energy until a phase change occurs.

• a decrease in heat and an increase in kinetic energy until a phase change occurs.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

5. If you want to collect data during an experiment about the transfer of kinetic energy in a sample of water and ice, what tool should you use to measure the temperature?

• thermometer

• meter stick

• balance

• graduated cylinder

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

NGSS.MS-PS3-4

6. Imagine you write down the temperature of different water samples (as shown in the data table and image. ) Besides the temperature, the water samples are the same. Which water sample has the LOWEST kinetic energy?

• Water sample 3 at 100.6 °C has the LOWEST kinetic energy because it has the highest temperature.

• Water sample 4 at 31.4 °C has the LOWEST kinetic energy because it is the lowest temperature.

• Water sample 1 at 98.2 °C has the LOWEST kinetic energy.

• Water sample 2 at 46.0 °C has the LOWEST kinetic energy.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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7. Use the picture to complete the statement: The arrows in the pot of water represent _____.

• convection (when currents cause hot air (or liquid) to rise up and cold air (or liquid) to sink down)

• conduction (when heat is transferred directly between two things that are touching - from the warmer thing to the cooler thing)

• radiation (when energy is transferred through "empty space" in the form of electromagnetic waves)

9. Imagine you use a thermometer to take the temperature of a bottle of liquid water and a tub filled with ice. Then you place the bottle of liquid water into the tub of ice. After 15 minutes, which of the following best describes what happens to the temperature of each?

• The temperature of the ice increases, while the temperature of the water decreases.

• Both the bottle and the ice stay the same temperature.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

10. Imagine hovering your hands over the radiator in the image but not actually touching the radiator. You can still feel the heat because of _________________

• heat transfer by radiation

• movement of molecules by vibration

• movement of molecules by conduction

• heat transfer by direct contact

Tags

NGSS.MS-PS1-4

NGSS.MS-PS2-5