The Properties of Water and Characteristics of Living Things

Front

What is water?

Back

A molecular compound composed of 2 parts Hydrogen and one part Oxygen

Front

Which property of water enables it to move from the roots to the leaves of plants?

Back

Water exhibits cohesive behavior.

Front

Why do ice cubes float in water?

Back

Ice is less dense than liquid water.

Front

What property of water allows it to be such a good solvent?

Back

polarity and cohesion

Front

During a nature walk, Aaqilah and Nathan notice that small insects can walk across the surface of calm water. Their feet push the surface of the water down slightly, somewhat like a person walking across a trampoline, but they do not break the surface.
What is the best explanation for why this happens?

Back

The insects are light enough so that they do not break the hydrogen bonds holding the water molecules together

Front

Which property of water helps regulate body temperature during activities like a marathon?

Back

Water has a high capacity for heat.

Front

What unique property of water contributes to the effect where ice forms at the top of a lake, insulating the water below and preventing the lake from freezing solid?

Back

Water expands and becomes less dense when it freezes.

Front

What is the tightness across the surface of water that enables a paper clip to float without sinking?

Back

surface tension

Front

Why do water drops tend to stick together instead of spreading out?

Back

One side has a positive charge and the other side has a negative charge.

Front

What is the attractive force between water molecules and a glass table called? This property allows water molecules to stick to other substances.

Back

adhesion