Unit 1 Review Lessons 1-3

What is mass?

• the distance between two points
• the amount of matter (stuff) in an object
• the amount of space an object takes up
• the distance between three points

The amount of space taken up by an object

• Mass
• Volume
• Density
• Weight

Measure the volume of the liquid using the proper number of sig figs.

• 73 mL

• 73.0 mL

• 70.3 mL

• 73.03 mL

Read this graduated cylinder using the proper number of sig figs.

• 21.5

• 21

• 20

• 21.51

What is the basic unit of mass in the metric system?

• gram

• meter

• Liter

• cm³

What is the basic unit of liquid volume in the metric system?

• gram

• meter

• Liter

• cm³

How many estimated digits or uncertainty figures should there be when reading a measurement from a piece of lab equipment?

• 0
• 1
• 2
• 3

Type in the measurement on the graduated cylinder to the correct number of significant digits. No unit.

2.3 g = __________mg

• 0.23

• 230

• 23

• 2,300

6,035 mm = ________ cm