👩‍🏫 Teacher’s Guide

Objective
Students will explain the main ideas of 02 Changes in Matter using examples and grade-appropriate vocabulary.

Vocabulary
change, melt, freeze, evaporate, condense, temperature, reversible

Teaching Notes

• Start with a picture, object, or quick demo.
• Model a think-aloud using the vocabulary.
• Let partners try; circulate and support.

🧒 Student Worksheet

Concept and Helping Material

Definition. Changes in matter are ways matter can look or act differently, like melting, freezing, or bending.
Helping ideas and samples:

• Try a quick sort, draw-and-label, or compare-and-contrast.
• Name one place you see this idea in class or at home.
• Safety note if needed.

Vocabulary and Definition

• — to become different
• — solid turns to liquid
• — liquid turns to solid
• — liquid turns to gas
• — gas turns to liquid
• — how hot or cold something is
• — can change back to the start

Words to Learn

, , , , , ,

Sentences to Fill In

1. 02 Changes in Matter connects to .
2. We observe using our .
3. We write ideas in a .
4. We make a before a test.
5. We use simple .
6. We look for a .
7. We collect .
8. We share our .
9. We learn new .
10. We speak in clear .

Hands-On Experiment or Activities

What You Need: simple classroom items.
What You Do: 1) observe, 2) record, 3) share.
Think and Talk: What changed? What stayed the same?

Reflection

• What did you learn about 02 changes in matter?
• How can you show this idea at home or school?