1.Can matter ever have zero mass? Explain your reasoning.

2.How is weigh different from mass? List all the differences you know of.

3.Which of the following is not a unit of volume (explain your reasoning): cm3, m2, mL, m3, L

4.What is volume your textbook in liters If the dimensions of your textbook are: L =30 cm, W = 20 cm and T = 5 cm?