What is Water & Why is it Important?

What covers MOST of the earth's surface?

• Sand

• Salt

• Land

• Water

Tags

NGSS.5-ESS2-2

What is water?

• Water is a clear, odourless, tasteless, and almost colourless chemical substance that consists of atoms.

• Water is a clear substance that has taste.

• Water is a chemical substance that has shape, colour and odour.

• Water is an anti matter that is shapeless, colourless and has taste

Tags

NGSS.MS-ESS2-4

What is the chemical formula for water

• O₂

• CO₂

• H₂O

• N₂

Tags

NGSS.MS-PS1-1

Why is water called the Universal Solvent?

• Because it is capable of dissolving one substance

• Because it is not capable of dissolving any substance

• Because it is capable of dissolving more substances than any other liquid

• Because it can only dissolve salt

Which is NOT a property of water?

• Water is odourless

• Water is colourful

• Water is tasteless

• Water is a solvent

What happens to water when it is boiled?

• It becomes a solid

• It becomes a liquid

• It becomes a gas

• It becomes oxygen

Tags

NGSS.MS-PS1-4

What happens to the molecules in water when liquid turns into a solid

• The molecules move closer together

• The molecules stay the same

• The molecules move farther apart

• The molecules move up and down

Tags

NGSS.MS-PS1-4

What are the three FORMS/ STATES of water?

I. Solid, liquid and air

II. Hard, wet and dry

III. Hydrogen, oxygen and molecule

IV. Solid, liquid and gas

• IV

• I

• III

• II

Tags

NGSS.MS-PS1-4

Rain is what form of water?

• Solid

• Liquid

• Gas

Tags

NGSS.MS-ESS2-4

What living things need water?

• Plants

• People

• Animals

• All of the above

Tags

NGSS.MS-LS2-1