Properties of Matter

A student placed a beaker of water near a window in the classroom and recorded the volume of water in the beaker for three weeks.

What volume of liquid was converted to water vapor that entered the air over the three week period?

• 22

• 78

• 122

• 100

Which of the following is always true about the particles that make up matter?

• They can only be found in solid substances.

• They are too small to be seen with only our eyes.

• They are the same size in all substances.

• They are locked into regular arrangements.

This is the Mohs hardness scale. The numbers indicate the hardness of some minerals, from the softest (talc) to the hardest (diamond).

The hardness of an unknown mineral is greater than the hardness of quartz. What might the unknown mineral be?

• Apatite

• Corundum

• Orthoclase feldspar

• Calcite

According to the information in the table, a sample of an unknown metal that is gray, magnetic, and a fair conductor of electricity would be–

• silver.

• copper.

• aluminum.

• nickel.

A rock with a mass of 70 grams is dropped into a graduated cylinder with 30 mL of water in it. What is the density of the rock?

• 0.5 g/mL

• 2 g/mL

• 14 g/mL

• 35 g/mL

Salt will dissolve in water

• True

• False

Sugar will dissolve in water

• True

• False

Pepper will dissolve in water

• True

• False

Rope is not a good conductor of heat

• True

• False

Metal is a NOT a good conductor of heat.

• True

• False