Earth's water

Water covers most of Earth's surface.

• This is true

• This is false

Many plants and animals...

• need salt water to survive

• need fresh water to survive

• do not need water to survive

Water can...

• only be liquid

• only be solid

• have different forms

• only be fresh

Earth's water...

• is always changing from one state to another

• never changes from one state to another

• is salty

• only exists in one state

The word "evaporation" refers to...

• a process where liquid turns into gas

• a process where gas turns into liquid

• a process where liquid solid turns into gas

• a process where liquid gas turns into solid

Rain is...

• very dangerous, it destroys everything

• an artificial process made by man

• important, it keeps plants alive.

The word "Pollution" means...

• the introduction of harmful elements in the environment

• the removal of harmful elements in the environment

• the choosing of harmful elements in the environment

• the celebration of harmful elements in the environment

We can take care of Earth's water by...

• not drinking water

• keeping wast and trash away from water

• polluting water