Properties of Water

What two elements make up water?

• Helium and oxygen
• Hydrogen and oxygen
• helium and carbon
• oxygen and carbon

Water is an universal solvent because it...

• It can be found anywhere
• It freezes when it gets cold
• floats when frozen
• Dissolves most substances

Which types of compounds dissolve easily in water?

• Polar and Nonpolar
• Polar and Ionic
• Nonpolar and Ionic
• Covalent and Nonpolar

molecule in which opposite ends have opposite electric charges

• cohesion
• polar molecule
• hydrogen bond
• solution

Tags

NGSS.MS-PS1-1

A molecule with electrically charged areas is called a _______________.

• magnet
• polar molecule
• solution
• electrical molecule

Tags

NGSS.MS-PS1-1

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

• Adhesion
• High Surface Tension
• Universal Solvent
• Changes in Density

tendency of molecules of the same kind to stick to one another

• cohesion
• adhesion
• solution
• polar molecule

What is the reason why oil and water don't mix?

• Oil is too heavy to mix with water
• Water can only mix with polar molecules 
• Water can only mix with non-polar molecules
• Oil is too light to mix with water 

The fact that ice floats on liquid water is due to the fact that water's solid is ___________ than it's liquid form

• less polar
• more polar
• less dense
• more dense

Tags

NGSS.MS-PS1-4

It requires a lot of heat input in order to raise the temperature of water. This is because water has a high

• surface tension
• density
• specific heat
• RBI