Unit 22: Matter and States of Matter

Day 29 of 30

Matter in everyday life

3-5Science

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Learning Objective

Students will be able to explore matter in everyday life.

Today's Lesson

In this lesson, we'll explore matter in everyday life. Scientific inquiry allows us to investigate and explain natural phenomena.

Matter is anything that takes up space and has weight. Matter exists in three main forms (called states): solid, liquid, and gas. A solid keeps its shape (like a rock or ice cube). A liquid flows and takes the shape of its container (like water or juice). A gas spreads out to fill its container (like air or steam). Matter can change from one state to another when heated or cooled!

As you work through today's material, pay attention to the examples and try to identify the patterns or strategies being used. This will help you apply these concepts to new problems.

Take notes on key points and make connections to what you've already learned in previous lessons.

Key Terms
Matter

Anything that has mass and occupies space

Investigate

To examine systematically through observation and experiment

Activities
Instructions
1. Read the background information on matter in everyday life. 2. Form a hypothesis before beginning. 3. Conduct the investigation following procedures. 4. Record observations and analyze results.
Materials Needed
  • Lab notebook
  • Investigation materials
  • Safety equipment if needed
Practice Problems
1

Name one example of each: solid, liquid, gas.

Hint: Look around the room for ideas.
2

What happens to ice when it gets warm?

Hint: Think about what ice becomes.
3

Why does a balloon float when filled with helium?

Hint: Compare helium to regular air.

Teaching Tip

For this age group: Balance direct instruction with collaborative activities. Allow students to explain their thinking and make connections to prior knowledge when exploring matter in everyday life.

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