Power and Energy

It takes 20 N of force to move a box a distance of 10 m. How much work is done on the box ?

• 200 J

• 20.0J

• 2 J

• 200 N

The unit or label for work is

• netwons

• joules

• meters

• seconds

Energy of a rock perched on a cliff is an example of...

• gravitational

• elastic

• chemical

• kinetic

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-2

How do you calculate power?

• P = W/t

• P = E/t

• P = w * t

• P = bbq/chicken

Match the energy type with its picture.

g

d

e

f

c

b

a

Mechanical

Potential

Nuclear

Radiant

Thermal

Sound

Chemical

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-3

Match the following types of energy

• Heat

• Chemical

• Flow of electric charge

• Electrical

• Potential energy in food or fuel

• Electromagnetic

• Energy in waves

• Mechanical

• Motion

• Thermal

The energy of movement is...? 

• Kinetic

• Potential

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Energy that is stored is called...

• Kinetic

• Potential 

Tags

NGSS.MS-PS3-2

The SI unit for power is...?

• Watts

• Joules

• Newtons

• Meters

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