Heat Conductors and Insulators

Heat transfer occurs

• in many directions

• both from warm objects to colder ones and from cold objects to warmer ones

• only from warm objects to colder ones

• only from cold objects to warmer ones

What measurement do you use a thermometer for?

• thermal energy

• conduction

• convection

• temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

As you touch a hot stove the heat transfers -

• from your hand to the stove
• from the stove to your hand
• It doesn't transfer

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Hot objects begin to cool as-

• cooler air is transferred to the hot object.
• thermal energy (heat) in the object is transferred to the surrounding air.

• atoms in the object react with the oxygen in the air.
• thermal energy (heat) in the object gets canceled out by energy in the air

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Heat transfer always goes from-

• Cold to Hot
• Hot to Cold
• Heat doesn't transfer
• Freezing to Cold

Tags

NGSS.MS-PS1-4

What type of material makes the best insulators?

• Aluminum
• Copper
• Styrofoam
• Metal

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-3

what is the definition of an insulator

• a material which thermal energy doesn't flow, it is being slowed down

• the movement of thermal energy

• a material which thermal energy flows through easily
• fire is fun kids

What is an example of a conductor?

• Rubber
• Plastic
• Sawdust
• water

Tags

NGSS.MS-PS2-3

What is a conductor?

• A substance that resists transferr of energy.
• A substance that easily transfers energy.
• A substance that transfers energy
• A substance that doesn't transfer energy

Tags

NGSS.MS-PS3-4

Jenny poured some hot chocolate into a cup and stirred it with a metal spoon.  She noticed the spoon was really warm.  What is the best explanation for this?

• The spoon is a conductor.
• The spoon reflects heat.
• The spoon is an insulator.
• She touched the spoon first and waited to touch the cup.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4