Drinking bottled water is better than drinking tap water.

• true

• false

What does hard water mean?

• You can not drink that water

• It includes chemicals

• It is rich in minerals and calcium

• It is hard to obtain

Does ice sink or float in water?

• It sinks

• It floats

How many days can a person survive without water?

• 1 day

• 2 or 3 days

• 5 days

• 1 week

What percentage of the world's water is "fresh water"

• 1 %

• 2 %

• 3 %

• 4%

By what year is it estimated that plastics in the oceans outweigh fish?

• by 2025

• by 2050

• by 2070

• by 2100

What is ideal "pHd" for drinking water?

• Between 1 - 2,5

• Between 3 - 4,5

• Between 5 - 7,5

• Between 6 - 8,5

Does a "shortage of rain" mean that a "drought" will happen?

• Yes

• No

Which plants use more water?

• small plants

• Big plants

• The plants with dark leaves

• The plants with light leaves

Does the need of water change according to gender?

• Yes

• No