Potential and Kinetic Energy

How can the potential energy of an Olympic ski jumper be increased?

• by increasing the height of the hill the jumper is skiing down

• by decreasing the height of the hill the jumper is skiing down

• by increasing the length of the skis that the jumper is using

• by decreasing the length of the skis that the jumper is using

Tags

NGSS.MS-PS3-2

Which situation describes a system with decreasing gravitational potential energy?

• a bicyclist riding up a steep hill

• a boy jumping down from a tree limb

• a rocket rising vertically from Earth

• a girl stretching a horizontal spring

Tags

NGSS.MS-PS3-2

The gravitational potential energy that an object possesses is dependent on which of the following?

• the object's momentum

• the object's acceleration

• the object's position

• the object's speed

What is definition of energy?

Tags

NGSS.MS-PS3-4

The Relationship of Kinetic Energy is that when ____________ increases or ____________ increases, Kinetic Energy will increase also.

• Weight, Height

• Mass, Velocity

• Speed, Direction

Tags

NGSS.MS-PS3-1

The definition of a Joule is

• is a measurement for the amount of energy

• the amount of matter in an object

• speed in a given direction

• Mass, Velocity

Tags

NGSS.MS-PS3-5

Identify which type of energy a baseball flying through the air demonstrates.

• potential energy

• movement energy

• kinetic energy

• chemical energy

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

Which of the following is the best description of energy.

• Energy occurs when a object is producing heat and sound.

• Energy is represented in the form of mostly kinetic energy but sometimes potential energy.

• Energy is the ability to do work or to cause change.

• Energy is when an object is moving and causing a force

Tags

NGSS.MS-PS3-5

Energy of motion is called:

• Potential Energy

• Energy Transfer

• Motion Energy

• Kinetic Energy

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

NGSS.MS-PS3-4

Assess which conversion starts with chemical energy and ends with mechanical energy.

• a dark light bulb starting to glow

• a ball rolling down a hil

• a person eating then lifting weights