U9 rev option---Properties of water

What percentage of the earth's surface is covered with water?

• 70%

• 80%

• 90%

Tags

NGSS.MS-ESS2-4

What is the bond created between water molecules?

• James Bonds

• Hydrogen bonds

• Covalent Bonds

What characteristic of water makes it a good solvent?

• it's non-polar properties

• Its polarity

• It's temperature

What is cohesion?

• water molecules sticking together

• water sticking to another substance

• water changing density

What is adhesion?

• water clinging to other water molecules

• water changing its density

• water clinging to other surfaces

What is moved through the body by the use of water?

• Both nutrients and waste

• Wastes

• Nutrients

Tags

NGSS.MS-LS1-3

NGSS.MS-LS1-7

What creates surface tension?

• water molecules bonding tightly at the surface

• density changes

• High heat capacity

How do water striding insects walk on the surface of water?

• due to increased surface tension at the surface of water created by cohesion

• due to decreased surface tension at the surface of water created by cohesion

• magic

What part of the water allows it to absorb a lot of heat?

• hydrogen bonds

• adhesion

• cohesion

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What does it mean that water has a high heat capacity?

• water has to gain/lose large amounts of energy before its temperature changes

• neither of the above

• water heats up fast and loose its heat quickly

Tags

NGSS.MS-PS3-5