Kinetic and Potential Energy

Which of the following has kinetic energy?

• cars parked in a parking lot

• a child kicking a soccer ball

• hat and gloves on a table

• a book sitting on a shelf

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

NGSS.MS-PS3-4

What term describes the energy that is stored due to the height of an object from the ground?

• kinetic energy

• chemical energy

• mechanical energy

• gravitational potential energy

Three rocks are rolling down a hill at the same speed. Rock 1 has a mass of 1 kg; rock 2 has a mass of 1.5 kg, and rock 3 has a mass of 3 kg. Which rock has the most kinetic energy?

• rock 1

• rock 2

• rock 3

• all three rocks have the same kinetic energy

Tags

NGSS.MS-PS3-1

What is the gravitational potential energy of object 1?

• 7.35 J

• 117.6 J

• 176.4 J

• 196 J

Tags

NGSS.MS-PS3-2

How is mechanical energy calculated?

• by adding potential energy and kinetic energy

• by subtracting potential energy from kinetic energy

• by multiplying potential energy and kinetic energy

• by dividing potential energy by kinetic energy

Tags

NGSS.MS-PS3-4

What is energy?

• Something that takes up space.

• The ability to make something move or change.

• Anything that has mass.

Tags

NGSS.MS-PS3-5

What is potential energy?

• The energy an object has due to its position or condition.

• The energy an object has due to its chemical composition.

• The energy an object has due to its atomic structure.

Tags

NGSS.MS-PS3-2

What is kinetic energy?

• The energy an object has due to its motion.

• The energy an object has due its chemical composition.

• The energy an object has due to its atomic structure.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

When does an object have NO kinetic energy?

• When it's at rest.

• When it's moving very slowly.

• When it has no electrical charge.

Tags

NGSS.MS-PS3-1

When a roller coaster is at the top of a hill it has

• high potential energy

• high kinetic energy

• low potential energy

• equal amounts of kinetic and potential energy

Tags

NGSS.MS-PS3-2