Heat Transfer Review

What is the original source of most of the energy that people use?

• by radiation from the sun.

• by convection from the sun.

• by radiation from the Earth's core.

• conduction from Earth's core.

Tags

NGSS.MS-ESS2-1

Which best explains how this roasting marshmallows happens?

• Heat from the fire is conducted into the marshmallow.

• Heat from the fire is radiated into the marshmallow.

• The coolness of the marshmallow is conducted into the fire.

• The coolness of the marshmallow is radiated into the fire.

Tags

NGSS.MS-PS1-4

Which best describes heat transfer by radiation?

• A slice of bacon frying in a pan.

• A pot on a stove boiling water.

• Cooking a hotdog in a microwave.

• A hot air balloon.

When choosing materials to build a fireplace, why is brick a better choice than metal?

• brick is a conductor.

• brick is heat resistant.

• metal is a conductor.

• metal is heat resistant.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What enables firemen to enter buildings that are on fire and return from them safely?

• convection cells keep fire away.

• the heat makes the building expand, so there is no more room.

• firemen wear heat resistant suits.

• they are really fast.

Why should space be left at the top of the plastic bottle when filling with water and then freezing?

• because water expands when frozen

• because water contracts when frozen

• because plastic contracts when frozen

• because plastic expands when frozen

Tags

NGSS.MS-PS1-4

Which best explains why there are gaps between the concrete sidewalks?

• When it's cold, the gaps allow expanding without cracking.

• When it's hot, the gaps allow expanding without cracking.

• When it's cold, the gaps allow contacting without cracking.

• When it's hot, the gaps allow contracting without cracking.

Tags

NGSS.MS-PS1-4

Popcorn is made from corn kernels. What occurs when kernels are heated in a microwave?

• The kernels expand.

• The kernels dissolve.

• The kernels become hard and brittle.

• The kernels stick together to form a ball.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Why does a balloon on top of a water bottle expand when the bottle is placed in hot water?

• Heat causes gases to expand.

• Heat causes gases to contract.

• As air cools, currents flow clockwise.

• As air cools, currents flow counterclockwise.

Tags

NGSS.MS-PS1-4

If you cannot open a jar, why will placing the metal lid under hot water help to loosen the lid?

• Glass contracts when it is heated.

• Metals expand when they are heated.

• Metals are easier to grip when they are warm.

• Hot water reduces friction between metal and glass.

Tags

NGSS.MS-PS1-4