Density 1

1. Identify from the list below which tool is needed to measure density? (L1)

• Ruler

• Graduated Cylinder

• Thermometer

• Hot plate

2. Density is best defined as…(L1)

• the ability to sink and float.

• the mass of an object.

• the volume of an object.

• the mass and Volume of an object.

3. A student uses the tools below to measure the mass and volume of a rock.

What is the density of the rock sample? (L3)

• 2.8 kg/ml

• 1.8 g/ml

• 2.0 g/ml

• 25 g/ml

4. The table below shows the densities of some common substances.

A student calculates the density of an unknown substance. The substance has a mass of 1.86 g and a volume of 2 cm3. Based on the chart below, what is the unknown substance? (L3)

• Air

• Wood (Oak)

• Water

• Ice

5. Look at different substances with different densities placed in a graduated cylinder, shown below.

Which substance is more dense? (L2)

• substance 2

• substance 3

• substance 1

• Cannot be determined

6. What is the density of a mineral sample that has a mass of 474.81 grams and a volume of 13.3 ml? (L2)

• 1.7 g/ml

• 9.1 g/ml

• 35.7 g/ml

• 297.9 g/ml

7. A student places an unknown object on a triple beam balance.

What is the density of the object if it has a volume of 26.9 ml? (L3)

• 35.5 g/ml

• 74.3 g/ml

• 97.4 g/ml

• 13.2 g/ml

8. An object has a mass of 135g. What is the density if it has a volume of 3 ml? (L2)

• 45 g/ml

• 18 g/ml

• 12 g/ml

• 5 g/ml

9. Calculate the volume of this rock sample? (L3)

• 25 ml

• 75 ml

• 50 ml

• 125 ml

10. Bill Nye plans to create a new rocket that will travel to Mars. He decided to invite local students to help with the design. The design must include materials that will be used to build his new rocket. Explain the importance of density in the objects is important when choosing his materials. (L4)