Energy Resources

Energy is transformed from one form to another. The roller coaster has four labels. Which point has the most potential energy?

Select the correct answer.

• A

• B

• C

• D

Tags

NGSS.MS-PS3-2

Roller coasters use potential and kinetic energy to move carts around the track. Which position on the roller coaster has the most potential energy?

• E

• G

• A

• C

Tags

NGSS.MS-PS3-2

A rock falls over a waterfall as shown in the diagram. At which point does the rock have the most kinetic energy?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

He began to research how energy in a flashlight starts in one place and transforms into other forms. What is the energy transformation that occurs in a flashlight?

Select the correct order

• light energy, chemical energy, electrical energy

• chemical energy, electrical energy, light energy

• electrical energy, light energy, chemical energy

Which actions in a science lab transform electrical energy to heat energy?

Select TWO correct answers.

• warming liquid in a test tube over a bunsen burner

• using a hot plate to boil a beaker of water

• growing plants on a window sill

• mixing two chemicals

• melting solids on a hot plate

Tags

NGSS.MS-PS3-3

Between which two steps is the energy converted from electrical to radiant energy?

• 1 and 2

• 2 and 3

• 3 and 4

• 4 and 5

Which type of energy conversion happens when energy from the Sun is used to warm a house?

• electricity to light energy

• light energy to thermal energy

• chemical energy to electricity

• radiant energy to light energy

Which of these types of energy conversions occur in a battery-powered flashlight?

• thermal to mechanical

• light to electrical

• thermal to chemical

• chemical to electrical

Which one of the following statements about solar energy is false?

• Solar energy comes from the Sun and travels to Earth in waves.

• Solar energy does not require a medium through which to travel. This is why it can travel through space.

• Solar energy is always available; even at night or when dense cloud cover is present.

• Solar energy is a very clean energy source, producing no air or water pollution.

Tags

NGSS.HS-PS4-3

Which of these types of energy resources is MOST LIKELY to be used up by human activity?

• solar energy

• geothermal energy

• fossil fuel energy

• wind energy

Tags

NGSS.MS-ESS3-4