Physical Properties of Water

Water is ________________ that means light can pass through it

• clear

• transparent

• blue

• invisible

Where can you see the true color of water?

• lakes and oceans

• glaciers

• water vapor

• in clouds

What organisms cause large bodies of water to turn blue?

• bacteria

• kelp

• coral

• phytoplankton

What is the freezing point of water?

• 0°C (32°F)

• 32°C (0°F).

• 100°C (212°F).

• 212°C (100°F).

The boiling point of water is

• 212°C (100°F)

• 32°C (0°F)

• 100°C (212°F)

• 0°C (32°F)

Why does ice float in water?

• Because ice is heavier than water

• Because the density of ice is more than the density of liquid water

• Because the density of ice is less than the density of liquid water

• Because ice floats in anything

True/False. Pure water does NOT conduct electricity.

• True

• False

What does salt form after it dissolves in water?

• Carbohydrates

• Calories

• Electrolytes

• Fat

Electrolytes are

• positive particles

• positive and negative particles

• negative particles

• electrolytes have no charge

Why do we call water "the universal solvent"?

• because more materials dissolve in water than any other substance

• because water is in everything

• because water will dissolve anything

• because water is clear