SOL 6.6 Water

Water is the only compound that commonly exists on Earth in all three states of matter. What are the 3 states of matter?

• solid, plasma, gas

• solid, liquid gas

• liquid, gas, salt

• gas, salt, plasma

Tags

NGSS.MS-ESS2-4

What two elements make up a molecule of pure water?

• oxygen and carbon

• oxygen and hydrogen

• hydrogen and nitrogen

• nitrogen and carbon

Tags

NGSS.MS-PS1-1

Which statement below best explains why water is a polar molecule?

• Water molecules are made up of one atom of hydrogen and two molecules of oxygen

• Most of Earth's fresh water molecules are found in the polar ice caps

• One side of a water molecule is slightly negative and the other side is slightly positive

• Water molecules repel each other because some are positive and some are negative

What property of water allows insects to "walk" on water?

• universal solvent

• surface tension

• condensation

• evaporation

What property of water allows water to move through thin tubes or spaces and in porous materials such as paper?

• surface tension

• capillary action

• cohesion

• adhesion

Water is able to dissolve many substances. This is why water is known as the---

• great cleaner

• ultimate solution

• surface tension

• universal solvent

What property of water states that water molecules are attracted to other substances besides water?

• surface tension

• capillary action

• cohesion

• adhesion

Water is said to be sticky because its molecules are ---

• cohesive and can not be separated

• able to hold paper together

• bound by super glue

• not attracted to each other

Tags

NGSS.MS-ESS2-4

Which statement best explains why ice is able to float on water?

• Ice is less dense than liquid water

• Cold substances float

• water molecules repel ice molecules

• ice is harder than liquid water

Which of the following is not a true statement about water?

• Water is able to absorb heat and slowly release it

• Water is colorless, odorless, and tasteless

• Water does not dissolve very many substances

• Water has helped shape our environment

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

NGSS.MS-PS1-4