DOL September 30

All of the following are insulators of thermal energy EXCEPT—

• Cardboard

• Wood

• Rubber

• Copper

Tags

NGSS.MS-PS3-3

Wendy wants to stir a pot of hot soup on the stove. Her mother tells her to use a wooden spoon instead of a metal spoon. Which of the following is the most likely reason Wendy's mother told her to use a wooden spoon?

• Wood is a good insulator and metal is a poor insulator, so a wooden spoon will help the soup cook faster.

• Wood is a poor conductor and metal is a good conductor, so a wooden spoon will not burn Wendy.

• Wood is a poor insulator and metal is a good insulator, so a wooden spoon will help the soup cook faster.

• Wood is a good conductor and metal is a poor conductor, so a wooden spoon will not burn Wendy.

Tags

NGSS.MS-PS3-4

Winter clothes are made to keep people warm by allowing as little heat energy to escape the body of the person wearing them. What are the materials in these clothes called?

• Metals

• Conductors

• Insulators

• Minerals

Tags

NGSS.MS-PS3-3

Lenny has a hot cup of cocoa, and Sasha has an ice-cold cup of lemonade. Each of them puts his or her drink in an insulating container. How do the new containers affect each of the drinks?

• Lenny's drink will stay hot longer, and Sasha's drink will stay cold longer.

• Lenny's drink will become cooler more quickly, and Sasha's drink will become warmer more quickly.

• Lenny's drink will become cooler more quickly, and Sasha's drink will stay cold for more quickly.

• Lenny's drink will stay hot longer, and Sasha's drink will become warmer faster.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which of the spoons have high thermal conductivity based on Suzi's observations?

• Aluminum and Silver

• Glass and Wood

• Aluminum and Glass

• Wood and Silver

Tags

NGSS.MS-PS3-4