Question 1

What is capillary action?

Accepted Answer

Liquids flowing in narrow spaces, often while defying gravity

Question 2

What is surface tension?

Accepted Answer

The ability of a liquid to resist outside changes

(caused by internal cohesion; allows some small animals to walk on water)

Question 3

What is heat capacity?

Accepted Answer

The ability of a substance to resist temperature changes

Question 4

Why does water expand when it freezes?

Accepted Answer

Its molecules become more spread apart and align themselves in a lattice

Question 5

Why is ice less dense than water?

Accepted Answer

Frozen water molecules are more spaced out than liquid ones

Question 6

What are the four major unique properties of water?

Accepted Answer

Dissolves almost everything (universal solvent)

Has cohesive and adhesive properties

High heat capacity

Expands when it freezes

Liquid, AP Biology Flashcards