Unit 15 Energy

The energy of motion is called

• kinetic energy
• potential energy
• thermal energy
• work

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

A small 20-kg canoe is floating downriver at a speed of 2 m/s. What is the canoe's kinetic energy?

• 22 J
• 40 J
• 80 J
• 400 J

Tags

NGSS.HS-PS3-2

A 13-kg sled is moving at a speed of 3.0 m/s. At which of the following speeds will the sled have twice as much kinetic energy?

• 1.5 m/s
• 4.2 m/s
• 6 m/s
• 9 m/s

An object's gravitational potential energy is NOT directly related to which of the following?

• its height relative to a reference level
• its mass
• its speed
• the acceleration due to gravity

Which of the following is an example of an object with elastic potential energy?

• a wind-up toy that has been wound up
• a compressed basketball
• a stretched rubber band
• all of the above

A 4-kg cat is resting on top of a bookshelf that is 3 meters high. What is the cat's gravitational potential energy?

• 7 J
• 12 J
• 29 J
• 118 J

Tags

NGSS.MS-PS3-2

The energy stored in gasoline is

• chemical energy
• electromagnetic energy
• mechanical energy
• nuclear energy

Tags

NGSS.HS-PS1-4

The total potential and kinetic energy of all the microscopic particles in an object make up its

• chemical energy
• electric energy
• nuclear energy
• thermal energy

Tags

NGSS.HS-PS3-2

Walking converts what type of energy into mechanical energy?

• chemical
• electromagnetic 
• nuclear
• thermal

Tags

NGSS.HS-PS3-3

Nuclear power plants are designed to convert nuclear energy into what type of energy?

• chemical
• electrical
• geothermal
• mechanical

Tags

NGSS.HS-PS3-3