Energy Physical Science (B)

In the diagram, a roller coaster car starts from rest and moves along the track. At which point does the roller coaster car have the greatest potential?

• A. A

• B. B

• C. C

• D. D

Tags

NGSS.MS-PS3-2

The rate at which work is done is _______________.

The ____________energy of an object depends on both the height and the mass of an object.

Tags

NGSS.MS-PS3-2

Temperature measures the average ________________of the particles in a material.

• A. Chemical energy

• B. kinetic energy

• C. potential energy

• D. mechanical energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A 5 kg medicine ball is thrown upward at a speed of 2 m/s. How much energy does it have?

• A. 5 J

• B. 10 J

• C. 20 J

• D. 98 J

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which picture shows the thermal energy transfer by convection?

• A. A

• B. B

• C. C

• D. D

An object has a velocity of 9 m/s and a mass of 20 kg. What is the kinetic energy of the object?

• A. 90 J

• B. 180 J

• C. 810 J

• D. 1,620 J

Tags

NGSS.MS-PS3-1

Thermal energy is transferred to the solar panel in picture B by ......

• A. Convection

• B. Conduction

• C. Friction

• D. Radiation

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

A material that resists/limits the flow of heat by conduction. convection, and radiation is a(n)_____________.

• A. conductor

• B. insulator

• C. radiator

• D. generator

Tags

NGSS.MS-PS3-3

A constant force of 2.0 N is used to push a box 4.0 m across the floor. How much work is done?

• A. 6 J

• B. 8 J

• C. 12 J

• D. 24 J

Tags

NGSS.MS-PS3-5