Physical Properties

What physical property is described by the ability to resist wear and tear, and scratches?

• electrical conductivity

• flexibility

• hardness

• strength

The image shows objects A, B and C in water. Which of the following can be concluded from the image?

• Object A has a higher density than water.

• Object B has the same density as water.

• Water has a higher density than object C.

• Object C has a higher density than object B.

• Object A has a lower density than object C.

The diameter of a button was measured with a ruler. What is the diameter of the button?

• 3 cm

• 3.0 cm

• 3.00 cm

89 km = ? m

• 0.00089

• 0.089

• 890

• 8900

• 89 000

190 mm = ? cm

• 190

• 19

• 1.9

• 0.19

• 0.019

A measuring cylinder (shown in the image) was used to measure the volume of a liquid. What is the precision of the measuring cylinder?

• 0.05 cm3

• 0.1 cm3

• 0.5 cm3

• 1 cm3

A rock has a volume of 5.0 cm3 and a mass of 10.0 g. What is the density of the rock in g/cm3?

• 50 g/cm3

• 0.50 g/cm3

• 2.0 g/cm3

• 15 g/cm3