Energy Unit Review

What is required for an electrical circuit to work properly?

• A complete loop for the electrical current to pass through.

• A single wire connected to a battery.

• A broken path with gaps.

• A circuit with only insulators.

Which of the following is an example of an insulator?

• Rubber

• Copper

• Aluminum

• Iron

Tags

NGSS.MS-PS3-3

If you place your hand near a campfire and feel warmth without touching the flames, which method of heat transfer is occurring?

• Radiation

• Conduction

• Convection

• Insulation

Which of the following is an example of an insulated material used to investigate the transfer of thermal energy?

• Insulated box

• Metal spoon

• Glass window

• Plastic bag

Tags

NGSS.MS-PS3-3

Why would a styrofoam cup be used to keep a drink warm compared to a regular plastic cup?

• Styrofoam is a better insulator and reduces heat transfer.

• Styrofoam is heavier than plastic.

• Styrofoam changes the taste of the drink.

• Styrofoam is transparent.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

If you wanted to investigate how well different materials prevent heat loss, which setup would best help you compare insulated and non-insulated materials?

• Measure the temperature change in water placed in an insulated box and a non-insulated box over time.

• Measure the color of the boxes.

• Weigh the boxes before and after the experiment.

• Count the number of boxes used.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which of the following best describes a conductor of energy?

• A material that allows energy to flow through it easily.

• A material that blocks all forms of energy.

• A material that only allows light to pass through.

• A material that changes energy into sound.

Which of the following best describes the particles involved in thermal energy?

• Atoms and molecules

• Planets and stars

• Plants and animals

• Rocks and minerals

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

Why is thermal energy sometimes called the "wiggle energy"?

• Because it involves the movement of tiny particles

• Because it is only found in hot places

• Because it is used to power cars

• Because it is a type of light energy

Tags

NGSS.MS-PS1-4

Which method of heat transfer occurs through direct contact?

• Conduction

• Convection

• Radiation

• Reflection