SCIENCE PH UNIT 5,6,& 7

Heat transfer happen in...ways

• two

• three

• four

• five

A spoom getting hotter by touching a hot metal pot is an example of.....

• conduction

• convection

• evaporation

• radiation

Plastic is a good...because it does not get hot easily

• conductor

• insulator

• radiator

• convector

If you want to make a pot, you should make it put of metal because it is a good...

• conductor

• convector

• insulator

• radiator

Water freezes at 0 C, which is called is....

• melting point

• freezing point

• sublimation point

• evaporation point

When a material changes state from a solid to a liquid, it is a called

• sublimation

• freezing

• melting

• evaporating

When a material changes state from a solid to gas, it is a called///

• sublimation

• freezing

• melting

• evaporating

A material needs fuel,... and a heat source to burn

• carbon dioxide

• oxygen

• water

• oil

Irreversible changes are usually called....

• melting

• freezing

• sublimation

• chemical reaction

Rusting causes materials to....

• corrode

• burn

• melt

• freeze