Energy Resources - Unit 2

Which term is defined as the ability to make something move, happen, or change?

• spectrum

• reflection

• brightness

• energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which component of a circuit is the energy source?

• conductor (wire)

• battery

• receiver (lightbulb)

• switch

What is the main role of a light bulb in complete circuit?

• absorb the electrical current

• complete the circuit and allow current to flow if open

• push electrical current around the circuit

• change electrical energy into light and heat energy.

Harry is building a snowman. He notices that every time he makes a snowball, his hands get cold.

Which statement BEST explains why Harry's hands get cold when he makes a snowball?

• The cold from the snowball is transferred to Harry's hands.

• The heat from Harry's hands is transferred to the snowball.

Answer explanation

HEAT TRAVELS and COLD ABSORBS! That is why the heat energy transfers (travels) from Harry to the snow because to absorb means to take it in or soak it up.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

The cafeteria workers place the containers of food in boiling water while they serve each student. Why do they do this?

• To heat the kitchen area.

• To keep the food warm while serving it.

• To cool the food so it is safe for students to eat.

• To show the students how good the food tastes.

Tags

NGSS.MS-PS1-4

Which resources from the chart are RENEWABLE?

• water

• sunlight

• coal

• gasoline

• wind

Which sources are NONRENEWABLE?

• wind, coal, water

• wind, water, sunlight

• coal, natural gas, wind

• natural gas, oil, coal

Which sources are RENEWABLE?

• wind, coal, water

• wind, water, sunlight

• coal, natural gas, wind

• natural gas, oil, coal

Tags

NGSS.MS-ESS2-4

Which statement is INCORRECT about wind energy?

• Statement 1

• Statement 2

• Statement 3

• Statement 4

Tags

NGSS.MS-ETS1-1

What words means to prevent the waste of a resource?

• discard

• conserve

• generate

• resource

Tags

NGSS.MS-ESS3-3