Unit 2 Biochemistry for 9th Graders

Front

Chemical compound of water

Back

2 Hydrogen, 1 Oxygen

Front

Water's electrical poles

Back

a polar molecule

Front

Cohesion

Back

water clumping together

Front

Bond: weak attraction of slightly positive H atom to slightly negative part of another molecule

Back

Hydrogen bond

Front

Molecules of different types sticking together

Back

Adhesion

Front

Universal solvent: Water

Back

Dissolves a variety of substances

Front

Ice floats because...

Back

It is less dense than liquid water.

Front

Water heating up slowly

Back

High heat capacity

Front

More dense:

Back

Left cube

Front

Ice floats because:

Back

Water expands and density decreases when frozen.