61

Lesson 61 of 84 ยท Chemical Reactions

Simulation

The Particle Model of Matter (Part 2)

What You'll Learn

A mixture contains two or more substances that are not chemically combined. You can often separate a mixture using physical methods like filtering, evaporating, or using a magnet.

Key Words

  • product
  • conservation of mass

Steps

Step 1 โ€” Read

Read and learn: A mixture contains two or more substances that are not chemically combined. You can often separate a mixture using physical methods like filtering, evaporating, or using a magnet.

Step 2 โ€” Do

Follow the procedure carefully, step by step.

Step 3 โ€” Observe

Draw a picture of what you observe.

Step 4 โ€” Record

Answer the questions based on your data.

Check Your Understanding

Question 1

1 of 3

What is sublimation?

The Particle Model of Matter (Part 2) โ€” Chemical Reactions | 7th Grade Science | LittleActivity | LittleActivity