WorksheetsUnit 1.2 Review
Total questions: 17
Worksheet time: 15mins
What is the correct chemical formula for water?
H2O
HO2
H2O2
2H1O
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
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
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
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
At what temperature does water Freeze?
0o C
100o C
32o C
-273o C
At what temperature does water Boil?
0o C
100o C
32o C
212o C
Which of the following can water NOT dissolve?
Salt
Sugar
Oil
Baking Soda
Water sticks well to many materials. What term relates to this property of water?
cohesion
adhesion
density
surface tension

