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Characteristics of Water
Chemical Make-Up
Water Facts/ Percentages
100
True or False. Water is tasteless.
What is true
100
What is water comprised of?
What is Hydrogen and Oxygen
100
The percent of the Earth is made up of fresh water.
What is 3 %
200
True or False. Frozen water (ice) is heavier than water.
What is false. That is whey ice floats in water!
200
The opposite of condensation
What is evaporation
200
The percentage of the Earth that is covered with water.
What is 75%
300
What is the boiling and freezing point of pure water?
What is 100 degrees C (212 F) and 0 degrees C (32 F)
300
The temperature that water vaporizes.
What is boiling point (212 degrees F/ 100 degrees C)
300
True or False. water cannot be created.
What is true
400
Does water expand or contract when it freezes?
What is water expands by 9%!
400
How many days can one survive without water
What is 5-7 days
400
Term used to describe the amount of water vapor in the air.
What is humidity
500
What property of water changes with salinity changes.
What is density.
500
The average human is made up of ____________% of water.
What is 75%
500
Water held in the cracks and spaces between rocks below the Earth's surface
What is an aquifer