Potential and Kinetic Energy

Front

How does the law of conservation of energy apply to the changes in potential and kinetic energy of a pencil as it falls to the floor?

Back

Potential energy is converted into kinetic energy.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Front

Which example demonstrates the most kinetic energy?

• a beaver gnawing on a tree
• a deer jumping over a bush
• a jet ski at rest alongside a lake
• a tuft of grass growing on a hill

Back

a deer jumping over a bush

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Front

Brian rides his bike down a hill without needing to use the pedals. Which sentence best describes the change in energy that is occurring?

Back

Potential energy is transformed into kinetic energy.

Tags

NGSS.MS-PS3-5

Front

Which example best demonstrates kinetic energy?

• a person climbing a ladder
• a fully stretched rubber band
• a rock sitting at the edge of a cliff
• an acorn hanging from an oak tree

Back

a person climbing a ladder

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Front

Which statement best describes the energy changes taking place as the roller coaster moves from the bottom of one hill up to the top of the next hill?

Back

Kinetic energy decreases and potential energy increases.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Front

How can an object be changed in order to increase its kinetic energy?

Back

by rolling it

Tags

NGSS.MS-PS3-4

Front

When does the ball only have potential energy?

Back

at its highest point

Front

What type of energy do the turbine blades have while they are spinning?

Back

kinetic energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Front

What is the control in Zach's experiment on plant growth with different fertilizers? Options: the amount of growth of each plant, the type of fertilizer used in each plant, the amount of water given to each plant, the pot of soil that does not contain fertilizer.

Back

the pot of soil that does not contain fertilizer

Tags

NGSS.MS-LS1-5

Front

What causes the speed of the toy car to change in Jacob's experiment? Options: ramp height, time elapsed, toy car weight, distance traveled.

Back

ramp height

Tags

NGSS.3-PS2-1

NGSS.3-PS2-2