16

Lesson 16 of 84 · Matter and Reactions

Lesson

Properties of Materials

What You'll Learn

A compound's properties differ from its elements. Sodium is a reactive metal and chlorine is a toxic gas, but together they form sodium chloride—common table salt.

Key Words

  • molecule
  • density
  • mass

Steps

Step 1Read

Read about Matter and Reactions and write down three key facts.

Step 2Do

Conduct a chromatography experiment: use a coffee filter and markers to separate the pigments in different colored inks.

Step 3Observe

Watch carefully for any changes and note the time.

Step 4Record

Create a data table to organize your measurements.

Check Your Understanding

Question 1

1 of 3

What is a solution?