Work, Power and Energy

Fossil Fuels are

• pieces of rock that have been compacted many times

• rock that contains 50% plant and animal remains

• metamorphic rock

• fuels that form from the remains of plant and other organisms that were buried and altered over million of years

Tags

NGSS.MS-ESS3-1

Fossil Fuels (choose ALL that apply)

• considered nonrenewable resources

• cause pollution in the atmosphere

• are renewable resources

• oil, coal and natural gas

Tags

NGSS.MS-ESS3-4

Two factors that determine work are

• force

• acceleration

• mass

• distance

• velocity

units of force are

• newtons

• grams

• joules

• meters

units for work are

• newtons

• joules

• meters

• seconds

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

if you push a cart with a force of 60 N for 2 m... how much work have you done

• 120 J

• 30 J

• 120 N

• 30 N

Tags

NGSS.MS-PS2-2

What is the formula for work?

• Force = work x distance
• Distance = force x work
• Work = force x distance
• Work = force x mass

Tags

NGSS.MS-PS3-5

Energy due to motion is ____________ energy. 

• Potential 
• Energy
• Kinetic
• Friction

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

The faster an object moves, the ________ kinetic energy it has. 

• more
• less
• none of the above
• all of the above 

Tags

NGSS.MS-PS3-1

Is this an example of work?

• Yes

• No

Tags

NGSS.MS-PS3-5