Properties of Water

Water is known as the universal solvent. What is a solvent?

• A substance that can be dissolved by another substance

• A substance that is capable of dissolving another substance (a solute)

• A substance that helps speed up the rate of chemical reactions

• A substance that is required by all living things

What word describes when water is attracted to other substances?

• cohesion

• adhesion

• capillary action

• surface tension

What word describes a molecule with different charges on different ends?

• non-polar

• polar

• solution

• electrical

Tags

NGSS.MS-PS2-3

One characteristic that is unique to water is that it

• has a low specific heat.

• can be changed from a liquid to a solid.

• dissolves very few substances.

• exists naturally in three states on Earth.

What has occurred when bubbles form in a liquid that is being heated?

• Oxygen is absorbed from the air.

• Heat is radiating in the liquid.

• The boiling point has been reached.

• Molecular stability in the liquid is increasing.

Tags

NGSS.MS-PS1-4

When water is changed from a liquid to a gas, what occurs?

• The atoms lose electrons.

• A new compound is formed.

• Molecules spread farther apart.

• Hydrogen is separated from oxygen.

Tags

NGSS.MS-PS1-4

What happens at the boiling point of a substance?

• liquid becomes a gas

• solid becomes a gas

• liquid becomes a solid

• solid becomes a liquid

Tags

NGSS.MS-PS1-4

When water changes from a liquid to a gas and then the steam condenses back to the liquid form, these types of changes are

• physical

• chemical

• electrical

• mechanical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-2

What property of water allows it to dissolve many substances?

• Cohesion

• Adhesion

• Polarity

• Viscosity

Which of the following is a result of water's high specific heat capacity?

• Water heats up quickly

• Water cools down quickly

• Water maintains temperature longer

• Water evaporates easily

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4