Energy Pretest

According to the law of conservation of energy, energy can

• be destroyed, but not created.
• be created, but not destroyed.
• neither be created nor destroyed.
• None of the above.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A boulder sitting on top of a mountain has ________ energy.

• mechanical kinetic
• mechanical potential
• chemical
• electrical

Tags

NGSS.MS-PS3-2

The form of energy found in food, wood, and batteries is _______ energy.

• chemical
• mechanical kinetic
• electrical
• solar

When you move your arm from side to side, your body changes

• chemical energy into mechanical kinetic energy.
• heat energy into electrical
• mechanical potential energy into heat energy

Tags

NGSS.MS-PS3-5

Burning wood in a fireplace transforms ________ energy into ________ energy.

• sound, light
• chemical, heat and light
• light, heat
• mechanical kinetic, mechanical potential

Tags

NGSS.MS-PS1-2

Burning wood in a fireplace transforms ________ energy into ________ energy.

• sound, light
• chemical, heat and light
• light, heat
• mechanical kinetic, mechanical potential

Tags

NGSS.HS-PS1-4

The sun causes a tomato plant to produce tomatoes through a process called photosynthesis. What energy transformation best explains this process?

• solar to heat
• solar to chemical
• solar to electrical
• solar to mechanical kinetic

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

NGSS.MS-LS2-3

An electrical circuit contains a battery, wires, and a light bulb. What is the source of electrical energy?

• chemical energy
• light energy
• heat energy
• mechanical potential energy

Choose the answer that best describes what happened to cause this energy transformation to occur.
chemical --> electrical --> kinetic

• A rock falls from a cliff.
• A solar panel is producing electricity.
• A battery powered toy car is moving around on a flat table.
• A solar powered speaker is playing a song.

A dam produces power by transforming __________.

• heat energy into electrical energy
• mechanical potential energy into electrical energy
• chemical energy into electrical energy

Tags

NGSS.HS-PS3-3