Which form of matter has the ability to conduct electrical energy?

• wood

• plastic

• rubber

• copper

Ginger wants to design a device that conducts thermal energy. She analyzes five objects to use in her device and classifies them in this table. Which objects are classified CORRECTLY in Ginger’s table? Circle THREE correct answers.

• glass bead

• copper wire

• plastic plate

• silver bracelet

• wooden craft stick

Tags

NGSS.MS-PS3-3

Fill in the blank: A ______ is a material that allows electrical energy to flow through it easily.

• A. insulator

• B. conductor

• C. resistor

• D. capacitor

Fill in the blank: An object that does not allow thermal energy to pass through it easily is called a(n) ______.

• A. conductor

• B. insulator

• C. transmitter

• D. converter

Tags

NGSS.MS-PS3-3

Which materials are classified as insulators of electricity? Choose all that apply.

• A. air

• B. gold

• C. wood

• D. ceramic

• E. aluminum

Hiram is designing a mug for hot chocolate. He has the following criteria: The mug needs to hold hot liquids. The mug needs to keep the drink hot. The outside of the mug must be cool to touch. Which material should Hiram use for the outside of the mug?

• E. conducting

• D. insulating

• A. cotton

• B. plastic

• C. copper

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-PS3-3

The mug is too hot because stainless steel is a heat ____________ material. Hiram could put a heat ____________ material on the outside of the mug so his hand will not be too hot.

• C. copper

• B. plastic

• A. cotton

• E. conducting

• D. insulating

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which material is a heat conductor?

• A. cotton

• B. plastic

• C. copper

• D. wood

Tags

NGSS.MS-PS3-3

Which materials are conductors of electricity? Choose ALL that apply.

• air

• gold

• wood

• ceramic

• aluminum

Which material is both water resistant and not a heat conductor?

• A. cotton

• B. plastic

• C. copper

• D. stainless steel