AP Biology Midterm Final Review Game

Front

What is a hypothesis?

Back

a tentative explanation that can be tested and is falsifiable

Front

What is a controlled experiment?

Back

An experiment that has both an experimental and control group.

Front

Why is a control group important in an experiment?

Back

The control group is needed to compare results

Front

What four elements make up approximately 96% of all living matter?

Back

carbon, hydrogen, nitrogen, oxygen

Front

What do atoms form when they share electron pairs?

Back

molecules

Front

How do polar covalent and non-polar covalent bonds differ?

Back

Polar covalent bonds have unequal sharing of electrons while non-polar covalent bonds have equal sharing.

Front

Identify the polar molecule: H₂, O₂, CO₂, H₂O

Back

H₂O

Front

How do ionic bonds differ from covalent bonds?

Back

Ionic bonds result from a transfer of electrons between atoms and covalent bonds result from a sharing of electrons.

Front

The slight negative charge at one end of one water molecule is attracted to the slight positive charge of another water molecule. What is this attraction called?

Back

a hydrogen bond

Front

Properties related to hydrogen bonding: cohesion, adhesion, surface tension.

Back

All the properties are related to hydrogen bonding.