What is an insulator?

• An item that allows heat to pass through easily.

• An item that does NOT allow heat to pass through easily.

Tags

NGSS.MS-PS3-3

Two of your friends were building a solar oven to bake smores while camping. They tested different materials by placing them in the sun for 1 hour and recorded the data in the chart below.

Charlie said they should use the aluminum foil to bake the smores. Riley said they should use the wood. They could not agree who was correct and asked you to be the tie-breaker. Who is correct?

• Charlie

• Riley

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What is a conductor?

• An item that allows heat to pass through easily.

• An item that does NOT allow heat to pass through easily.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Josh decided to go to the ice cream shop for his birthday. Once he got his ice cream, he sat outside on a park bench to eat it. The ice cream began to melt quicker than he could eat it. What is the best question he can ask to find the source of heat that caused the ice cream to melt?

• What is the temperature of the ice cream?

• What is the length and width of the cone?

• What is the temperature outside?

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Lily is making hot chocolate for her family. What type of cup should she use to make sure the drink stays hot?

• Cups that are made out of chocolate, so the buyers have a lot of chocolate.

• Cups that insulate heat well using Styrofoam, so the heat will stay inside the cup.

• Cups that conduct heat well using metal, so the cup will become warm.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which of the following is NOT a source of heat?

• the sun

• fire

• friction

• a fan

The third graders were playing on the playground at school. One kid was on the top of a plastic slide while talking to the other kids. The kid noticed ,OR could tell that the plastic slide where the kid was sitting was getting warm. What question does the kid need to ask to determine the heat source that caused the warm slide?

• Was the kid sliding back and forth on the slide?

• How long was the kid sitting on the slide for?

• Was the kid sitting still on the slide?

• What is the temperature of the slide?

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which item is the best conductor of heat?

• Wood

• Aluminum Foil

• Cardboard

• Styrofoam

Tags

NGSS.MS-PS3-3

Students at your school have been burning their hands on the swing set. Which would be the best investigation for determining the material that should be used to make the swings safe for students’ hands?

• Measure the temperature of the material on the ground under the swings and compare it to the temperature of the swings during the hottest part of the day.

• Measure the temperature of different materials on other playground equipment after the materials have been in the sun for several minutes. Compare to see which has the lowest temperature.

• Measure the temperature of the material that the swings are made of while the swings are in the shade and then in the sun. Compare the temperatures to see which is the lowest.

Tags

NGSS.MS-PS3-4

What item would you use to measure the temperature of an object?

• Thermometer

• Infrared Sensor

• Scale