Big Ideas 8 and 9 SSA Review

3: gas

2: solid

1: liquid

2: liquid

It has its own shape.

It does not have shape.

It takes the shape of its container.

It changes shape with temperature.

balance

graduated cylinder

temperature

thermometer

Stir the saltwater for a long time. The salt will form a crystal.

Leave the saltwater to sit for a long time. The salt will settle to the bottom.

Boil the saltwater. The water will evaporate and only the salt will remain.

Freeze the saltwater. The water will sink to the bottom and the salt will rise to the top.

Cake

Salad

Rusty iron

Water

The rate that the sugar cube dissolves will speed up.

The rate that the sugar cube dissolves will slow down.

The rate that the sugar cube dissolves will remain the same.

The rate that the sugar cube dissolves will slow down and then stop.

The level of the water and the bucket itself will not be changed by becoming frozen.

The level of the water will be lower once it is frozen and the molecules are more compact.

The sides of the bucket will be pushed out and the level of the water will be above the rim of the bucket.

The level of the water will be uneven once it is frozen because some of the water will remain as a liquid in the bucket.

Iron turns to rust when it is exposed to oxygen.

When water boils, it turns into vapor, which is a gas.

Oxygen can become liquid at a very low temperature.

Gold can be spread out very thin to cover a large area.

Water boiling into steam

An ice cream melting

A bicycle rusting in the

rain

A banana turning brown

Tearing paper into pieces

A candle wick burning

Water freezing into ice

A carton of milk going sour

A loaf of bread cut into slices

Burning toast in the toaster