AP Biology Topic 1.1 Properties of Water

Front

What is the property of water that allows a water strider to walk on its surface?

Back

High surface tension.

Front

What type of bond exists between the hydrogen and oxygen atoms in a water molecule?

Back

Polar covalent bonds.

Front

What is the term for water's ability to dissolve many substances?

Back

Universal Solvent.

Front

What do we call substances that repel water molecules?

Back

Hydrophobic substances.

Front

What is the attraction between the slight negative charge of one water molecule and the slight positive charge of another called?

Back

Hydrogen bond.

Front

What is the unique property of ice that allows it to float on water?

Back

Lower density than liquid water.

Front

What is the significance of water's high specific heat?

Back

It helps regulate temperature in organisms and environments.

Front

What is the term for the cohesive property of water that allows it to form droplets?

Back

Cohesion.

Front

What is the term for the adhesive property of water that allows it to stick to other surfaces?

Back

Adhesion.

Front

What is the pH level of pure water?

Back

Neutral pH (7).