Water

Question 1

Why is water a polar molecule ?

Answer 1

It has differently charged regions

Question 2

What does dipolar mean ?

Answer 2

It has two charged regions

Question 3

Why is water such a strong substance ?

Answer 3

The slightly negative charge on the oxygen atom attracts to the slightly positive charge on the hydrogen atom on another molecule . Because there are so many bonds it is a lot stronger

Question 4

How does water help with transport in plants ?

Answer 4

Plants use water to uptake minerals and vitamins

Question 5

How does water help with transport in animals ?

Answer 5

Needed in transport fluids lie cytoplasm , blood, plasma and tissue fluid

Question 6

How does water help with chemical reactions ?

Answer 6

Water is used as a solvent to create solutions . Enzyme reactions of photosynthesis ,respiration and excretion happen in solution .

Question 7

How does water help with temperature control ?

Answer 7

Water needs a lot of energy to heat up so it means slight changes in temperature within the body do not affect it too much

Question 8

How does water help with support ?

Answer 8

Water can become turgid so provide support for plants . aquatic animals use it for buoyancy . Water filled tissues contribute to skeletal support in animals like worms .