Sci. Not., Sig Figs and Measurements

The metric unit for length is the ___.

• Liter

• Meter

• Gram

• Foot

Two instruments that may be used to find the volume of an object are the

• ruler and graduated cylinder

• graduated cylinder and triple beam balance

• digital scale and ruler

• test tube and graduated cylinder

Name the lab equipment shown in the picture

• graduated cylinder

• beaker

• flask

• test tube

Choose the correct answer. Don't forget sig figs.!

• 140.02g

• 140.102g

• 142g

• 142.01g

What is the correct measurement?

• 33 ml

• 39ml

• 40 ml

• 38 ml

G represents which of the following measurements?

• 11.98 cm

• 12 mm

• 12.0 cm

• 11.9 mm

What does volume measure?

• the amount of atoms or matter in an object

• the gravitational pull on an object

• the amount of space something occupies

• the measure of how hot or cold something is

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

• 0
• 1
• 2
• 3

A student correctly reads a thermometer as 37.9^oC. Which one of these would still be a correct reading from another student?

• 37.8

• 40.0

• 38.9

Which of the following choices best represents the length reading from the metric ruler pictured?

• 0.8 cm

• 0.80 cm

• 0.800 cm

• 8 cm