Law of Conservation of Energy

A ball is projected into the air. Where is potential energy the greatest?

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Tags

NGSS.MS-PS3-2

Which point on the roller coaster's path represents the maximum potential energy?

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Tags

NGSS.MS-PS3-2

As a roller coaster goes downhill

• kinetic energy is converted into potential energy.

• potential energy is converted into kinetic energy.

• electrical energy is converted into potential energy.

• potential energy is converted into electrical energy.

Tags

NGSS.MS-PS3-5

When gasoline is burned in a car engine, ________ energy is converted into _________ energy.

• heat, chemical

• chemical, potential

• mechanical, chemical

• chemical, mechanical

Tags

NGSS.MS-PS3-5

What form of energy does a compressed spring have?

• heat energy

• kinetic energy

• chemical energy

• potential energy

Tags

NGSS.MS-PS3-2

Maria’s father started a fire in the fireplace. He crumpled some paper, lit a match, and soon the logs in the fireplace were burning. In this case, the stored chemical energy in the logs was changed into

• electrical energy.

• mechanical motion.

• heat and light energy.

• electrical and heat energy.

Tags

NGSS.MS-PS3-5

A drawn bow possesses mechanical energy in the form of _______________. After the arrow is released, the energy is transformed into _________________.

• potential energy; mechanical energy

• elastic potential energy; kinetic energy

• gravitational potential energy; kinetic energy

• elastic kinetic energy; mechanical kinetic energy

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-5

This term refers to the amount of matter contained in an object.

• Joules

• Matter

• Energy

• Mass

This is the standard unit for measuring energy.

• Joules

• Newtons

• Matter

• Mass

This is a type of potential energy.

• Sound energy

• Electrical energy

• Chemical energy

• Thermal energy

Tags

NGSS.MS-PS3-2