What is a water molecule composed of?

• 1 Hydrogen atom and 2 Oxygen atoms
• 2 Hydrogen atoms and 1 Oxygen atom
• 3 Oxygen atoms
• 2 Helium atoms and 1 Oxygen atom

Tags

NGSS.MS-PS1-1

What property of water allows it to be such a versatile solvent that it is often called the "universal solvent?"

• Purity
• Polarity and high surface tension
• High heat capacity
• Expansion upon freezing

Tags

NGSS.HS-PS1-2

Large bodies of water do not quickly fluctuate in temperature. Why?

• Water is a solvent.
• Water has a high heat capacity.
• Water acts as a buffer.
• Water is non-polar.

Tags

NGSS.HS-ESS2-5

Why can water have no net charge but have slight charges in different parts of the molecule?

• The oxygen end is slightly negative and the hydrogen end is slightly positive
• The hydrogen end is slightly negative and the oxygen end is slightly positive
• The hydrogen and oxygen ends change in polarity
• Because it is hydrophobic

Tags

NGSS.MS-PS1-1

What is a river?

• A large body of freshwater
• A saltwater inlet of the ocean
• A natural large stream of flowing freshwater
• An underground waterway

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

The transition zone between dry areas of land and bodies of water are called:

• Wetlands
• Watersheds
• Divides
• Estuaries

Tags

NGSS.MS-ESS2-4

What is the water cycle?

• the 3 forms of water
• the movement of water on, above, or below the surface of the Earth
• when water melts
• when clouds form

Tags

NGSS.MS-ESS2-4

A liquid that can dissolve a substance

• solvent

• solute

• solution

A substance that dissolves into liquid

• solvent

• solute

• solution

A mixture produced when one substance dissolves into another substance

• solute

• solvent

• solution