Lesson Worksheet: Minerals Science • 4th Grade

A class predicted that all minerals are magnetic. They investigated how three minerals responded to a magnet.

Was the class’s prediction correct?

Ethan has two minerals, gypsum and quartz. He scratches the gypsum and it easily breaks.

Fill in the blank: This tells us that gypsum is a mineral than quartz.

Fill in the blank: The Mohs scale measures the of a mineral.

Below is an image of a mineral called talc.

Fill in the blank: This mineral has a luster.

The table below shows the values that three minerals have on the Mohs scale.

Which mineral is softer than apatite?

We can identify the mineral calcite by adding an acid like vinegar to it.

Fill in the blanks: When vinegar is added to calcite, the calcite because it reacts with the vinegar and produces a .

The mineral shown below is feldspar.

Fill in the blank: The cleavage of a mineral describes how well it breaks along a smooth, flat surface. This mineral has cleavage.

This is an image of hematite.

Fill in the blank: This mineral has a luster.

Fill in the blanks: According to the Mohs scale of hardness, the hardest mineral is , while the softest mineral is .

Fill in the blank: The color of powdered pyrite is green to brown; this property is called .