WATER

What two ideas are believed to have been the sources of water for Earth?

• Nuclear fission

• chemical reactions on earth

• solar wind

• comets

Tags

NGSS.MS-ESS2-4

In a water molecule, hydrogen and oxygen are bonded together by ___________.

• covalent bond

• ionic bond

• hydrogen bond

• static

Tags

NGSS.MS-PS1-1

Which property of water accounts for the others?

• cohesion

• adhesion

• polarity

• high specific heat

Trees must pull water up their trunks from the roots. What property of water allows trees to pull against gravity?

• cohesion

• adhesion

• universal solvent

• high specific heat

Oceans do not freeze in winter due to which property of water?

• cohesion

• adhesion

• universal solvent

• high specific heat

Tags

NGSS.MS-PS1-4

Performing a “belly flop” into a pool of water will hurt because of which property of water?

• cohesion

• adhesion

• universal solvent

• high specific heat

When adding sugar to water,

• Water is the solute, sugar is the solvent, together they are a mixture

• Water is the solution, sugar is the solute, together they are a solution

• Water is the solvent, sugar is the solute, together they are a solution

• Water is the mixture, sugar is the solution, together they are a solvent

Attractions between the negative Oxygen atom of one water molecule and the positive Hydrogen atom of another water molecule are called

• Covalent bonds
• Ionic bonds
• Polar bonds
• Hydrogen bonds

Tags

NGSS.HS-PS1-3

The tightness across the surface of water that enables paper clips to float is ____________.

• adhesion
• capillary action
• surface tension
• polarity

Water beads up on the surface of a penny because of what property?

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