Unit 1.2 Review

What is the correct chemical formula for water?

• H₂O

• HO₂

• H₂O₂

• ₂H₁O

Tags

NGSS.MS-PS1-1

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.MS-PS1-2

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.MS-PS1-4

NGSS.MS-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

Tags

NGSS.MS-PS1-1

Why does ice float?

• water expands when it freezes, making ice less dense than water

• water compacts when it freezes, making ice more dense than water

• hydrogen bonds in water push the ice to the surface

• ice is afraid of water, and avoids it

Tags

NGSS.MS-PS1-4

At what temperature does water Freeze?

• 0^o C

• 100^o C

• 32^o C

• -273^o C

Tags

NGSS.MS-PS1-4

At what temperature does water Boil?

• 0^o C

• 100^o C

• 32^o C

• 212^o C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following can water NOT dissolve?

• Salt

• Sugar

• Oil

• Baking Soda

Tags

NGSS.HS-ESS2-5

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

• cohesion

• adhesion

• density

• surface tension

Tags

NGSS.HS-ESS2-5