Study Island: Potential and Kinetic Energy

A black squirrel is sitting on the ground. A red squirrel is sitting on a tree branch high above the black squirrel. Both squirrels have the same mass.

Compared to the red squirrel, the black squirrel has _____ kinetic energy and _____ gravitational potential energy.

• more; more

• the same; less

• less; the same

Tags

NGSS.HS-PS3-2

Niagara Falls is a set of very large waterfalls located on the border between New York and Ontario, Canada. Over 200,000 cubic feet of fast-moving water falls approximately 180 feet every second. Water at the top of the Falls possesses.

• kinetic energy and gravitational potential energy.

• only kinetic energy.

• only gravitational potential energy.

• neither gravitational potential energy nor kinetic energy.

  Explanation

Tags

NGSS.HS-PS2-4

Rocks A and B are located at the same height on top of a hill. The mass of rock A is twice the mass of rock B. How does the potential energy of rock B compare to that of rock A?

• Rock B has one-half the potential energy of rock A.

• Rock B has the same potential energy as rock A.

• Rock B has twice the potential energy of rock A.

• Rock B has one-quarter the potential energy of rock A.

Tags

NGSS.MS-PS3-2

A graph showing the speed of a sprint runner over a distance of 100 m is shown.

At which of the following points does the runner have the most kinetic energy?

• Y

• X

• W

• Z

Tags

NGSS.HS-PS3-2

Amy is at basketball practice. She is about to shoot a free throw. When Amy releases the ball,

• the ball will have kinetic energy and potential energy.

• the ball will not have kinetic energy but will have potential energy.

• the ball will have kinetic energy but will not have potential energy.

• the ball will have neither kinetic energy nor potential energy.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5