Matter and Heat Transfer Review

What kind of heat transfer happens when the sun is heating your body?

• Conduction
• Radiation
• Convection
• Density

The way the heat is moving from the top of the hot coffee is called...

• convection
• radiation
• insulation
• conduction

The way the heat is moving from the sides of the hot mug is called...

• convection
• radiation
• insulation
• conduction

The way the heat is moving from the bottom of the hot mug to the tabletop it is sitting on is called...

• convection
• radiation
• insulation
• conduction

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

• conduction
• convection
• radiation
• Insolation 

Heat transfers from an area of ____temperature to an area of ___ temperature.

• higher to lower

• lower to higher

• It travels in both directions, higher to lower and lower to higher. 

Near the ceiling of a room the air is warmer.  The warm air rises because of

• conduction
• convection
• radiation

Warm air is __________ dense than cold air and rises creating convection currents.

• more
• less

Which of the following is a sign that a chemical reaction has occurred?

• change in shape
• melting
• formation of a gas
• dissolving

Is melting butter for popcorn a chemical or physical change?

• chemical
• physical