Materials

1. Which of the following results due to loss of heat in a substance?

• evaporation

• freezing

• boiling

• sublimation

Which of the following is an irreversible process?

• burning of wood

• condensation of water

• melting of ice

• mixing salt with water

Anything that has mass and takes up space is called _____.

• liquid

• gas

• solid

• matter

What happens to solids (except ice) when they are heated?

• they contract

• they get smaller

• they expand

• they melt

Which of the following is an irreversible change?

• making ice

• melting chocolate

• making popsicles

• making popcorn

Which of the following has a fixed shape and volume?

• gas

• solid

• liquid

• plasma

The process by which a gas changes to a liquid is called _____.

• evaporation

• sublimation

• condensation

• deposition

On a cold day Missy exhaled onto a piece of glass. Instantly, the vapour turned to ice. What process had taken place?

• evaporation

• precipitation

• sublimation

• deposition

What happens when you pour baking soda onto vinegar?

• it disappears

• it dissolves

• it fizzes

• it changes colour

I take my vitamin C every morning by placing the tablet in a glass of water. What type of change occurred?

• irreversible

• reversible

• health

• soluble