Water Systems Test Module 1: Necessity of Life

Which statement is most true?

• Most living things require water to live
• All living things require water to live
• Many living things are able to survive without water
• All living things can survive without water

Astrobiologists believe that the best way to find life is to...?

• Look for oxygen in space.
• Look for warm planets
• Look for the biggest planets
• Look for planets with water

Astrobiologists are...?

• An astrobiologist is a person who studies stars in space.
• An astrobiologist is a person who studies ocean animals.
• An astrobiologist is a person who studies the possibility of life beyond Earth.
• An astrobiologist is a person who studies the earth's core.

Newborn babies are made up of more than ____ percent water?

• 77%
• 60%
• 100%
• 1%

Adults are 60-65 percent water.

• True
• False

Water is involved in about half the function within our bodies.

• True
• False

What water based liquid do we produce to regulate our body temperature?

• Salt
• Tea
• Sweat
• Saliva

How does water form round droplets?

• Water is round
• Water clings to itself
• Water doesn’t form droplets
• Water is slippery

All liquids form droplets.

• True
• False

Water travels up small tubes called xylem by sticking to each other and the sides.

• True
• False