Amplify Unit 1 Ch 2

What is the input energy form of a lamp?

• electrical

• thermal

• light

• sound

What is the input energy form of an electric motor?

• motion

• sound

• electrical

• thermal

What is the energy output form of a fan?

• sound

• electrical

• thermal

• motion

What is the evidence that supports this claim:

Ergstown experienced blackouts because something went wrong with the electrical system.

• After the blackout all of the lights came back on.

• The energy converters failed to convert electrical energy to light energy.

• The electrical grid connected to the skyscraper failed to work properly.

• The mayor of Ergstown turned the electricity off to save energy.

What is the input energy for all of these items?

• motion energy

• electrical energy

• sound energy

• thermal energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

Devices will not have enough energy to function if _____ energy is needed from the system than what is put in the system.

• less

• more

Tags

NGSS.MS-PS3-5

When you rub your hands together really fast, your hands get hot. Therefore, you are converting motion (kinetic) energy into _____.

• sound energy

• mechanical energy

• electrical energy

• thermal energy

Tags

NGSS.MS-PS3-5

The 4h grade at Tri-State Elementary is hosting its annual science fair. Jane and Jack decide to make a simple electrical system. The students named their electrical system the Super Solar Electric Flywheel. The parts for the system are the sun, solar panel, motor, and the flywheel.

What part is the electrical device in this system?

• solar panel

• motor

• flywheel

• sun

Tags

NGSS.4-PS3-4

Use the chart to answer the question:

According to the household electrical device chart, the computer will not operate. What evidence from the chart above supports this claim?

• The dishwasher has more energy than required.

• The dryer used more energy than it needed.

• The computer requires 39kw of energy, but only has 28kw.

• The computer does not have enough energy.

Use the picture to answer the question:

Which part of the system converts light energy from the sun into motion energy?

• motor

• fan

• wires

• solar panel

Tags

NGSS.4-PS3-4