Why is water important to life?

Question 1

Important Properties of Water

There are 7

Answer 1

Liquid over most
temperatures on Earth
Good solvent
Adhesive
Cohesive
High Surface Tension
High Specific Heat
Less Dense when frozen

Question 2

Molecular Structure of Water

Answer 2

Two hydrogen atoms bond with one oxygen atom

Use Polar Covalent Bonds

Oxygen Partial Negative

Hydrogens Partial Negative

Question 3

How is Acid rain formed?

Answer 3

Pollutants from factories are released in the air and reacts with water to form acid rain

Question 4

Electronic Structure

Answer 4

Oxygen atom shares electrons with the two hydrogen atoms

Oxygen’s outer shell has 6 electrons

The bonds formed with the hydrogen fills the outer shell of both oxygen and hydrogen

Question 5

Melting Point/Boiling Point

Answer 5

Melting Point - 0℃/ Boiling Point - 100℃

Question 6

Chemical Properties

What is special about water?

Answer 6

Both a Base and an Acid

Question 7

Ocean Acidification

Answer 7

It’s when the CO2 is absorbed by the ocean and the PH is lowered. This causes fish and coral to die.

Question 8

Why is the fact that ice is less dense
than water so important?

Answer 8

If water wasn’t less dense than water then glaciers wouldn’t exist. When Ice freezes on lakes it protects animal