Conservation of Energy

Mechanical energy is the sum of (a)   ?

• Kinetic energy and thermal energy
• Potential energy and sound energy
• Kinetic energy and potential energy
• Thermal energy and potential energy

Kinetic energy depends on (a)  

• An object's color and shape
• An object's mass and speed
• An object's temperature and volume
• An object's height and width

Tags

NGSS.MS-PS3-1

What is potential energy?

• Energy of motion

• Energy due to an object's position or condition

• Energy from the sun

• Energy from sound

Tags

NGSS.MS-PS3-2

What is work in terms of energy transfer?

• The transfer of energy to an object through force

• The storage of energy in an object

• The loss of energy from an object

• The creation of energy in an object

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

What does a loud crash indicate in terms of energy?

• Energy was stored

• Energy was created

• Mechanical energy was converted into sound energy

• Energy was destroyed

Tags

NGSS.MS-PS3-5

What does friction convert kinetic energy into?

• Sound energy

• Light energy

• Thermal energy

• Electrical energy

Tags

NGSS.MS-PS3-5

What type of energy is associated with motion?

• Potential energy

• Kinetic energy

• Thermal energy

• Chemical energy

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

What type of energy is stored due to an object's position?

• Kinetic energy

• Potential energy

• Thermal energy

• Sound energy

Tags

NGSS.MS-PS3-2

What happens to total energy when a ball is tossed in the air?

• It increases

• It decreases

• It remains the same

• It disappears

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

What is an example of work being done on an object?

• A girl lifting a box

• A car parked on a hill

• A book resting on a table

• A light bulb turned off