Science Cba Review

A student listens to the radio while doing homework. Which form of energy conversion occurs in the radio?

• electrical to chemical energy

• electrical to heat energy

• electrical to mechanical energy

• electrical to sound energy

Energy of motion is which type of energy?

• Potential
• Kinetic
• Sound
• Gravitational

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

A battery converts what type of energy to another?

• sound to kinetic
• light to heat
• mechanical to electrical
• chemical to electrical

Amy lit a firework rocket that moved skyward and produced a burst giving off light and a loud sound. Which statement is true about the energy transformation the firework underwent?

• The kinetic energy of the firework was transformed into chemical energy when it moved skyward.

• The kinetic energy of the firework was transformed into potential energy when it moved skyward.

• The potential energy of the firework was transformed into kinetic energy when it moved skyward.

• The potential energy of the firework was transformed into chemical energy when it moved skyward.

Tags

NGSS.MS-PS3-5

The diagram shows a swinging pendulum. Five different positions of the pendulum are labeled. Each position contains different amounts of potential and kinetic energy.

At which position does Kinetic Energy = Potential Energy

• 1

• 2

• 3

• 4

• 5

Tags

NGSS.MS-PS3-1

A fan has a motor that converts electrical energy into another form of energy that propels the fan blades. Into which form of energy is electrical energy NOT converted in a fan? (select multiple)

• heat

• light

• mechanical

• sound

Which statement best describes the motion of water molecules as the water changes state from steam to liquid?

• The molecules move faster and occupy more space.

• The molecules move slower and occupy more space.

• The molecules move faster and occupy less space.

• The molecules move slower and occupy less space.

Tags

NGSS.MS-PS1-4

The coaster at B is at -

• Maximum PE, Minimum KE

• Minimum PE, Minimum KE

• Minimum PE, Maximum KE

• Maximum PE, Maximum KE

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

Maximum gravitational potential energy (choose all that apply)

• A

• B

• C

• D

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-2

A student took an empty bowl, placed it in an oven, and heated it. She then added water to the hot bowl and dropped in an ice cube.

Which is the correct direction of heat flow in the bowl of water resulting in the melting of the ice cube?

• ice cube → water → bowl

• ice cube → bowl → water

• bowl → ice cube → water

• bowl → water → ice cube

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4