IB Biology - Topic 2.2 - Water

Water molecules consist of two types of atoms

• Oxygen and Oxygen

• Oxygen and Helium

• Oxygen and Hydrogen

• Oxygen and Hafnium

Tags

NGSS.MS-PS1-1

Where one part of water molecules is partially negative and the other is partially positive is called

• Bonding

• Polarity

• Charged

• Neutral

When water molecules are near each other, what forms between them?

• nothing

• a tiny rope

• Attractive forces

• Hydrogen Bonds

Hydrophillic means

• water-loving

• water-fearing

Which substance is more likely to dissolve in water?

• Hydrophillic

• Hydrophobic

In the Phospholipid bilayer, there is a __________ head and a ___________ tail.

• polar; nonpolar

• nonpolar; polar

Tags

NGSS.MS-LS1-2

Which property of water would allow bugs to float on water?

• Cohesion

• Adhesion

• Thermal

• Solvent

Which property of water allows plants to transport water?

• Cohesion

• Adhesion

• Thermal

• Solvent

Tags

NGSS.MS-ESS2-4

When energy is added to water

• water stays the same

• water warms up

• water freezes

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The energy required to increase 1g of a substance 1 degree Celcius is

• Boiling

• Increase in energy

• Freezing

• Specific Heat

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4