Changes in Matter Review

What happens when a hot spoon is placed in a cup of cold water?

• The water gets colder.
• The water gets warmer.
• The cup gets colder.
• The spoon gets warmer.

When cooking with a metal pan how do you keep your hand from getting burned?

• Pick it up by the metal handles
• cover the handle with aluminum foil
• metal does not conduct heat
• cover the handle with a cooking mit

When will a metal spoon get too hot to touch?

• when placed in a pot of hot water
• when picked up from a counter
• when placed in an empty pot
• when placed in a pot of cool water

The girl uses a spoon to stir the soup.  What spoon will stay the coolest?

• iron
• wooden
• aluminum
• silver

What produces the most useful heat?

• refrigerator
• stove
• clock
• mixer

The major source of heat for the Earth is 

• moon
• fire
• sun
• electricity

What activity increases the temperature of a person's hands?

• rubbing hands (friction)
• snapping
• waving
• clapping

What do these items have in common?

• heat producers
• heat magnifiers
• heat insulators
• heat conductors

Which item does not transfer heat?

• copper
• steel
• cotton
• silver

What do these have in common?

• heat producers
• heat magnifiers
• heat insulators
• heat conductors