Luster describes how a rock or mineral reflects light. How would you describe this rock's luster?

• rough

• dull

• shiny

• hard

What is one way to use rocks?

• They use rocks to build.

• They use rocks for jewelry.

• They use rocks for shelter.

• They use rocks for cooking.

Describe a diamond's special property.

• You can scratch a diamond with a nail.

• Diamond is the roughest mineral.

• You can find a diamond in toothpaste.

• Diamond is the hardest mineral.

Which mineral can help build strong bones?

• lead

• aluminum

• salt

• calcium

Which of the these is made from rocks and minerals?

• slippers

• eraser

• wooden box

• stone vase

Malleable minerals can be easily hammered into different shapes. Which mineral is very malleable?

• Talc

• Gold

• Quartz

• Fluoride

Moby put his rocks into different groups. How did he sort them?

• by texture

• by color

• by hardness

• by luster

Which property describes how a rock feels?

• luster

• texture

• hardness

• geology

A geologist is a scientist who studies rocks and minerals. The study of rocks and minerals is called ______________.

• geometry

• geography

• geology

• geothermal

Why do you find smooth rocks on a beach?

• Rocks freeze and warm up to become shiny and smooth.

• Earthquakes break large rocks into small, smooth pieces.

• Water wears down the rough edges to make them smooth.

• Animals chip away at the rocks to make them smooth.