AP Biology Unit 1 Water Properties

What type of bond is found BETWEEN water molecules?

• Hydrogen bonds

• Ionic bonds

• Nonpolar covalent bonds

• Polar covalent bonds

Tags

NGSS.MS-PS1-1

Surface tension of water is the cohesive force between water molecules and other molecules.

• True

• False

Cohesive force between water molecules and adhesive force between water molecules and other molecules enable this phenomenon to occur.

• Surface tension

• Capillary action

• Float on water

• Photosynthesis

Which end of the water molecule has a slightly positive charge?

• The hydrogen end

• The oxygen end

• Both ends are slightly positive

• Neither end is positive

Tags

NGSS.HS-ESS2-5

What word describes when water is attracted to other substances?

• Cohesion

• Adhesion

• Capillary action

• Surface tension

When water molecules stick easily to other water molecules, this is called what?

• Cohesion

• Adhesion

• Solution

• Polar molecule

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

• Adhesion

• High surface tension

• Universal solvent

• Changes in density

The fact that ice floats on liquid water is due to the fact that water's solid form is _____________ than its liquid form.

• Less polar

• More polar

• Less dense

• More dense

Tags

NGSS.MS-PS3-4

The tightness across the surface of water that enables insects to walk on it is

• Adhesion

• Capillary action

• Surface tension

• Polarity

Which statement explains why water molecules stick together?

• Both sides are negative

• One side has a positive charge and the other side has a negative charge

• One side has a negative charge and the other side has a neutral charge

• Both sides are positive

Tags

NGSS.HS-PS1-3