Properties of Water

What two elements make up water

• Helium and Oxygen

• Hydrogen and Oxygen

• Helium and Carbon

• Oxygen and Carbon

Tags

NGSS.MS-PS1-1

Which end of the water molecule has a slightly positive charge?

• the oxygen end

• the hydrogen end

• both ends are slightly positive

• neither end is positive

Which end of the water molecule has a slightly negative charge?

• both ends are slightly negative

• the bottom side

• the oxygen side

• the hydrogen side

What does it mean that water is Polar?

• it has a negative charge

• it has a positive charge

• it has a negative and positive charge

• it has a neutral charge

Tags

NGSS.MS-PS1-1

What word describes when water is attracted to other substances?

• cohesion

• adhesion

• capillary action

• surface tension

When water molecules stick easily to other water molecules, this is called _____.

• cohesion

• adhesion

• solution

• polar molecule

Freshwater will freeze at ____ degrees Celsius

• 100

• 32

• 4

• 0

Water is a universal solvent because it ___

• it can be found anywhere

• it freezes when it gest cold

• floats when frozen

• dissolves most substances

Water molecules are attracted to other kinds of molecules because of this property.

• cohesion

• adhesion

• high heat capacity

• universal solvent

Water beads up on the surface of a penny because of this property.

• adhesion

• universal solvent

• changes in density

• surface tension