Unit 1 Review for Science: Ms. Glaser

When heating a test tube, it is important to point the test tube

• towards your partner

• towards yourself

• away from you and others

• downward

You are heating a substance in a test tube. Always point the open end of the tube 

• away from all people
• toward another classmate
• toward your lab partner
• toward yourself

Identify the equipment shown here:

• measuring cylinder
• conical flask
• beaker
• volumetric flask

Identify the equipment shown here:

• beaker
• conical flask
• test tube
• graduated cylinder

Which of the following objects is least dense?

• A

• B

• C

• D

What is the formula for density?

• density = mass x volume
• density = mass / volume
• density = mass + volume
• density = mass - volume

Why do some substances float on water?

• they are warmer than water
• they are cooler than water
• they are more dense than water
• they are less dense than water

Jack has a rock. The rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?

• 7 mL
• 7 g/cm³
• 28 g/cm³
• 1/7 g/cm³

What is the volume of Object X?

• 10.0 cm³
• 15.0 cm³
• 20.0 cm³
• 25.0 cm³

What units are used to measure mass?

• g
• cm³
• g/cm³
• cm³/g