Unit 5 Energy Review

Which of the following is a device that transforms kinetic energy into electrical energy?

• blender

• car engine

• hydroelectric dam

• flashlight

Tags

NGSS.HS-PS3-3

Atoms have kinetic energy because they are always ______.

• exploding

• motionless

• reacting

• moving or at least vibrating

Tags

NGSS.HS-PS1-5

Thermal energy always moves from a ______ area to a ______ area.

• bigger, smaller

• colder, hotter

• higher, lower

• hotter, colder

Tags

NGSS.HS-PS3-4

Temperature measures the ______ kinetic energy of the particles in a substance.

• average

• maximum

• minimum

• total

Tags

NGSS.HS-PS3-4

Energy can be created?

• True

• False

Tags

NGSS.HS-LS1-5

NGSS.HS-LS1-7

NGSS.HS-LS2-5

Light, Sound, Heat and Motion are indicators that an object has _____________.

• Energy

• Mass

• Density

• Volume

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

As the kinetic energy of the molecules in a substance increases, the temperature _________________.

• decreases

• increases

• stays the same

• atoms don't have kinetic energy

Tags

NGSS.HS-PS1-5

NGSS.HS-PS3-2

Batteries store energy as _____________ energy.

• solar

• electrical

• chemical

• motion

Tags

NGSS.HS-PS1-4

In physics, work occurs when a _____ acts on an object to move it some distance from the start point.

• Power

• Force

• Velocity

• Energy

Will you use more power running up the stairs or walking up the stairs?

• Running up the stairs.

• Walking up the stairs.

• The same in both.