Biochem Test 2024-2025

What kind of molecule is water?

• Ionic

• Polar Covalent

• Nonpolar Covalent

• Metallic

Which part of a water molecule has a Positive Charge?

• The Hydrogen

• The Oxygen

• The Top

• The Bottom

Which part of a water molecule has a Negative Charge?

• The Hydrogen

• The Oxygen

• The Left

• The Right

Which of the following can water NOT dissolve?

• Ionic Compounds

• Polar Compounds

• Nonpolar Compounds

Which of the following is an example of COHESION?

• water sticking to water

• water sticking to glass

• oil sticking to plastic

• hydrogen sticking to oxygen

Which of the following is the CORRECT list of water's properties?

Read Carefully!

• adhesion, cohesion, high specific heat, universal solvent

• adhesion, cohesion, low specific heat, universal solvent

• adhesion, no cohesion, low specific heat, universal solute

• no adhesion, cohesion, high specific heat, universal solute

Tags

NGSS.HS-ESS2-5

You body sweats to help prevent you from overheating. How does water regulate temperature?

• it lets heat pass through it

• it absorbs a lot of heat, then decreases in temperature

• it absorbs a lot of heat, but only increases a little in temperature

• heat is afraid of water and avoids it

Tags

NGSS.HS-PS3-4

Water is polar. What does that mean?

• it is a molecule with opposite charges on opposite ends

• it is a molecule with no charge

• it is a molecule with identical charges on opposite ends

• it is a molecule with too many protons

Water sticks well to many materials. What term relates to this property of water?

• cohesion

• adhesion

• density

• surface tension

Tags

NGSS.HS-ESS2-5

What is the term for water's ability to defy gravity and climb up a tube?

• Capillary Action

• Specific Heat

• Universal Solvent

• Magic

Tags

NGSS.HS-ESS2-5