Energy review

Mr. Rodando's class is investigating different types of energy. In which of the following observations would the students observe both electrical and mechanical energy? Select TWO correct answers.

• Doing jumping jacks

• Turning on the fan

• Standing near a campfire

• Singing and running in place

• Turning on a vacuum

An iron rod is placed into a flame and energy is transferred down the rod. What type of energy is being transferred?

• light

• thermal

• sound

• electrical

Tags

NGSS.MS-PS3-3

NGSS.MS-PS1-4

What term describes a material that allows electric current to flow through it freely?

• conductor

• insulator

• semiconductor

• resistor

Students are experimenting with different materials to determine their ability to conduct electricity. A block of wood was placed in the middle of the circuit, as shown in the diagram. What happens to the light bulb when the switch is closed?

• The light bulb turns on brighter than normal.

• The light bulb turns on.

• The light bulb turns on dimmer than normal.

• The light bulb does not turn on.

Tags

NGSS.MS-PS2-3

Which answer supports your answer choice in Part A?

• The block of wood is a conductor.

• The block of wood is magnetic.

• The block of wood has a charge.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Based on the table, which materials would best insulate the handle of a spatula? Select TWO correct answers.

• copper

• steel

• aluminum

• wood

• plastic

Tags

NGSS.MS-PS3-3

NGSS.MS-ETS1-1

NGSS.MS-PS3-4

Conductors are made from many kinds of materials. Choose THREE materials that are NOT used as conductors.

• Plastic

• Steel

• Plants

• Wood

• Copper

Which of the following is the role of the battery in the circuit?

• turning the lightbulb on and off

• producing energy for the circuit

• carrying electrical energy to the lightbulb

• changing the electrical energy into light energy

Which of the following is the role of the wire in the circuit?

• turning the lightbulb on and off

• producing energy for the circuit

• carrying electrical energy to the lightbulb

• changing the electrical energy into light energy

Tags

NGSS.4-PS3-2

What is the function of the wire in the circuit?

• storing energy

• producing energy for the circuit

• carrying electrical energy to the lightbulb

• changing the electrical energy into light energy