Which statement supports the law of conservation of energy?

• Energy can be created

• Energy can be destroyed

• Energy is made of matter

• Energy can be converted from one form to another

What type of energy conversion occurs when the rubber band it released?

• elastic potential to kinetic

• gravitational to elastic

• elastic potential to chemical

• elastic potential to thermal

What type of energy does the roller coaster car have at position (a)?

• All potential energy

• All kinetic energy

• 50% potential and 50% kinetic

• It has no energy

What type of energy does the roller coaster car have at position (b)?

• All potential energy

• All kinetic energy

• 50% potential and 50% kinetic

• It has no energy

What type of energy does the roller coaster car have at position (c)?

• All potential energy

• All kinetic energy

• 50% potential and 50% kinetic

• It has no energy

Kinetic energy can be described as

• energy of motion

• stored energy

• a chemical reaction

• connected energy

Which is the best example of an object with only potential energy?

• water being poured out of a pitcher

• a ball being thrown across a field

• a boulder resting on top of a cliff

• a boat sailing through the water

Tags

NGSS.MS-PS3-2

The illustration shows a roller coaster and indicates four different positions the car might be at as it moves along the track.

At which point in the roller coaster's journey is its potential energy the greatest?

• W

• X

• Y

• Z

Tags

NGSS.MS-PS3-2

Which variables affect kinetic energy?

• pressure and volume

• velocity and mass

• weight and height

• temperature and weight

Tags

NGSS.MS-PS3-1

Energy is measured in

• Kilograms

• Joules

• Liters

• Centimeters