Unit 0 Test

Which liquid has the highest density? 

• corn syrup
• lamp oil
• rubbing alcohol
• honey

The mass of an object is 30 g.  The volume is 5 mL.  What is the density of this object?

• 3 g/cm

• 6 g/mL
• 8 g

If you have a gold brick that is 2 cm by 3 cm by 4 cm and has a density of 19.3 g/cm³, what is its mass?

• 263.5 g/cm³

• 463.2 g
• 0.804 kg
• 2.804 g

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

• 9 mL

• 7 g/cm³

• 28 g/cm³

• 1/7 g/cm³

Use the density chart to identify the substance. If the substance has a volume of 5 cm³ and a mass of 52.5.

• lead

• aluminum

• silver

• water

A bar of copper has a mass of 216g and a volume of 24cm³. What is the density of copper?  

• 5184g/cm³

• 322mL

• 9g/cm³

• 0.11g/cm³

A mechanical pencil has the density of 3.000 g/cm³.  The volume of the pencil is 15.8 cubic centimeters.  What is the mass of the pencil?

• 47.4 g
• 50 g
• 0.190  g
• 5.27 g

As part of a classifying elements lab Joe was finding the density of different samples. One sample had a mass of 26.4 and a volume of 12 mL. What element is it?

• Sulfur

• Carbon

• Boron

• Krypton

If a block of wood has a density of 0.6 g/cm³ and a mass of 120 g, what is its volume?

• 300 cm³

• 200 cm³

• 100 mL

• 150 cm³

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