Minerals and Their Properties (Part 3)

What You'll Learn

Minerals are naturally occurring, inorganic solids with a crystalline structure and definite chemical composition. Minerals are identified by hardness, luster, color, streak, and cleavage.

Key Words

igneous
metamorphic
sedimentary

Materials Needed

clay
water
plastic tray

Safety First

Do not taste any materials.

Steps

Step 1 — Read

Read and learn: Minerals are naturally occurring, inorganic solids with a crystalline structure and definite chemical composition. Minerals are identified by hardness, luster, color, streak, and cleavage.

Step 2 — Do

Measure and record your data in a table.

Step 3 — Observe

Note any unexpected results.

Step 4 — Record

Share your findings with the class or a partner.

Check Your Understanding

Question 1

1 of 3

What makes soil fertile?