1. ___ is the amount of matter an object has.
a) Weight
b) Mass
c) Volume
d) Density

6. A spring scale is used to measure the mass of an object on earth. The scale on earth reads 60 grams. On the moon the scale would read.
a) 60 grams
b) 10 grams
c) 600 grams
d) 0 grams

7. Liquid water is more dense than ice because
a) A liquid H ₂0 molecule has more mass than an ice H ₂0 molecule.
b) A chemical change occurs when ice melts that causes the mass of water to increase
c) When ice melts there is an increase in the amount of water molecules
d) there are a greater number of H ₂0 molecules per unit of volume in liquid water than ice.

8. Oil floats on water. The most accurate reason for this is
a) oil is less dense than water
b) oil is immiscible (does not dissolve) in water
c) oil is both less dense and immiscible with water
d) water is heavier than oil

9. A graduated cylinder contains 100 ml of a liquid. The mass of the graduated cylinder with the liquid is 145 grams.The mass of the graduated cylinder when empty is 45 grams. The liquid is most likely

a) Ethanol
b) Water
c) Corn Oil
d) Chloroform

10. Which of the following will cause the mass of a metal block to increase
a) putting the block in the freezer
b) measuring the mass of the block on jupiter
b) heating the block
d) None of the above