Water's Role on Earth Review

Approximately what percentage of the Earth's surface is covered by water?

• 50%
• 71%
• 90%
• 30%

Tags

NGSS.MS-ESS2-4

Water molecules are ______ because different sides of the molecule have different charges that do not cancel out.

• magnetic
• neutral
• polar

Which statement about water is true?

• It is more dense as a solid than as a liquid
• It is more dense as a liquid than as a solid
• It is the same density as a solid and a liquid

Tags

NGSS.MS-ESS2-4

What is this image showing?

• carbon cycle
• rock cycle
• water cycle

Tags

NGSS.MS-ESS2-4

Because water is very good at dissolving many different substances it is often called the universal _______.

• solute
• sulfur
• solvent
• solution

What type of rock is formed by the crystallization or solidification of molten rock?

• igneous rock
• sedimentary rock
• metamorphic rock

What type of rock is formed when existing rock is changed by extreme pressure and temperature?

• igneous
• metamorphic
• sedimentary

What type of rock does water play a role in forming?

• igneous
• metamorphic
• sedimentary

Tags

NGSS.MS-ESS2-4

Water can dissolve substances. When these dissolved substances "fall out of the solution" and solidify we call them what?

• precipitates
• igneous rock
• magma

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

______ is the ability of one substance to dissolve in another.

• flammability
• combustability
• solubility
• dissolvedness