Osmosis (Amoeba)

Why do plants near roads often die in winter?

• Because they need more sunlight

• Because they are not watered enough

• Because salt lowers the freezing point of water

• Because they don't like cold weather

Passive Transport

• Requires energy

• Requires moderate amounts of energy

• Requires no energy

• None of these is correct

Water moves toward hypertonic areas

• True

• False

What is osmosis?

• The movement of air through a cell

• The movement of water through a semi-permeable membrane

• The movement of sugar through a membrane

• The movement of salt through a membrane

In the YouTube analogy, where does water move when salt is added to side B?

• To side B

• To side A

• It stays in the middle

• It evaporates

Why is pure water not used in IVs?

• Because it is too expensive

• Because it tastes bad

• Because it would cause cells to swell and burst

• Because it is not clean

What happens to a saltwater fish in freshwater?

• It becomes healthier

• It grows bigger

• Water enters its cells, which can be harmful

• It swims faster