Energy Conservation and Transfer Practice 2

Why does ice cream placed in a plastic cooler melt slower than ice cream placed in a metal pot?

• because metal is a better insulator than plastic

• because plastic is a better insulator than metal

• because metal insulates against more heat

Tags

NGSS.MS-PS3-3

If I set a piece of paper on fire, what will happen to the ashes?

• The ashes will fly up, because warm air rises and pulls the ashes with it

• The ashes will fall to the floor, because warm air sinks and pulls the ashes with it

• The ashes will float mid-air because warm air won't rise or sink

Tags

NGSS.MS-PS2-2

Which one of these is responsible for the movement of liquid inside of lava lamps?

• Conduction

• Convection

• Radiation

Which explains how most metals react to being heated?

• They break

• They expand

• They condense

Why do asphalt streets often have cracks in them?

• because asphalt is a good conductor of heat

• because asphalt expands when heated and contracts when cooled

• because asphalt is an insulator that helps keep heat from escaping

• because asphalt contracts when heated and expands when cooled

Why is it a bad idea to cook with a metal spoon?

• Metal is a good insulator, and convection will cause the heat to transfer to your hand

• Metal is a good conductor, and conduction will cause the heat to transfer to your hand

• Metal is a good conductor, and radiation will cause the heat to transfer to your hand

Tags

NGSS.MS-PS3-3

How did I get a sunburn?

• Heat from the sun transferred to my face through sublimation

• Heat from the sun transferred to my face through convection

• Heat from the sun transferred to my face through conduction

• This is a trick question. Ms. Manchester doesn't get sunburned from radiation because she's smart enough to use sun protection.

How did the stove burn my hand?

• Convection, man

• Conduction, my dude

• Radiation, yo