SOL 6th Grade Review (Water)

97%

90%

85%

50%

Ice

Lakes

Rivers

Groundwater

Hydrochloric acid

Soap

Water

Nitrogen

One side of a water molecule is slightly positive and one is slightly negative.

Water has a high surface tension.

Water molecules like to stick to themselves and to other molecules.

Water can absorb a lot of thermal energy without changing temperature.

Water is polar (meaning the molecule has slight charges)

Less than 4%

Less than 3%

Less than 2%

Less than 1%

Tree roots growing through a rock.

Sand blowing against a rock and breaking it into smaller pieces.

Iron in rocks rusting.

Rocks reacting with water and changing the substance of the rock.

Ice freezing in the cracks in a rock and breaking it apart.

Acid rain dissolving limestone and weathering it

The molecules get closer together and decrease density.

The molecules get smaller

When water freezes the molecules orient themselves to that there is more space between them.

The molecules get bigger