Properties
This property of water causes water to stick to itself (Allowing a spider to walk on the water)
What is cohesion?
This is the chemical formula for water.
H2O
What is change?
Most water on earth is
Salt water
The ____ powers the water cycle
Sun
This property of water sticking to another polar object (plants stems or tissue) .
What is adhesion ?
This is the number of hydrogen atoms in a water molecule..
What is two?
Water influences _____________ (This is why we have precipitation, hot humid days, and a planet that doesn't get too hot)
What is weather?
What percentage of earths water is salt water
What is 97 %
Snow, rain, sleet, hail. These are all examples of what part of the water cycle?
What is precipitation?
This property of water ensures our planet doesn't over heat. (this is why water changes temperature slower than land)
What is specific heat?
Water is vital for ___________
What is life?
Most of earths fresh water is found as liquid water (t/f)
What is false
Clouds and fog are examples of what part of the water cycle?
What is condensation?
Water molecules tend to "stick" together because of positively and negatively charged "ends" of the molecule. So, we say it is what kind of molecule?
What is a polar molecule?
A water molecule looks like this cartoon character
What is micky mouse?
Shipping, sailing and fishing are examples of how water is used for human_____________.
What are human activities
What causes water to stick to plants
Adhesion
What is ocean where it evaporates
Water is called a ____________ because it has the ability to dissolve polar/ nonpolar objects.
What is (universal)solvent because it can dissolve polar objects?
on board
List the 4 roles water has on earth.
Vital for life, reshapes earths surface, supports human activities and influences weather
This is why we must conserve water
Because there is a small percentage and it is needed to live
After swimming, you leave your towel out in the sun. An hour later, the towel is dry. What part of the water cycle best describes this process?
What is evaporation?