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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.

Sun Bathing (a)  

• Conduction
• Convection
• Radiation

Clark accidentally grabbed the handle of the hot pt. This shows ______________.

• radiation

• conduction

• convection

The ______ air rises and the cold air sinks in convection heat transfer.

• warm

• cold

• same

• very cold

Tags

NGSS.MS-PS1-4

Ironing a shirt is an example of:

• condensation

• evaporation

• conduction

• convection

Tags

NGSS.MS-PS1-4

Warm air rises and the cool air sinks demonstrates this type of heat transfer.

• Conduction

• Convection

• Radiation

Tags

NGSS.MS-ESS2-6

Which of the following is an example of convection?

• Hair dryer is drying up your hair

• When a car engine turns hot after being turned on.

• A spoon placed in the cup filled with cold coffee.

• Boiling spaghetti noodles in water.

Which of the following best describes CONVECTION?

• When heat is transferred through waves.

• When heat is transferred through objects that are touching.

• The movement of gas or liquid in which warmer parts move up and the colder parts moves down.

Tags

NGSS.MS-ESS2-6

Radiation is a method of thermal energy transfer that moves -

• through empty space.
• when objects touch.
• only through solids.
• in the motion of fluids.

What happens to particles as they heat up?

• They slow down
• Nothing
• They don't move
• They speed up

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4