Begin the lesson with a discussion about everyday experiences with gases, such as blowing up a balloon or using a spray can. This will engage students by connecting the topic to their personal experiences.

Explain the properties of gases, emphasizing that they do not have a fixed shape or volume. Use examples like balloons and scuba tanks to illustrate how gases can be compressed and expand.

Introduce the differences between gases, liquids, and solids in terms of shape and volume.

Watch the video 'Changing States of Matter' to see animated demonstrations of how matter transitions between solid, liquid, and gas forms. This video helps clarify how temperature changes affect the state of matter.

Use the video 'Lighthouse Lab – Matter' to explore the concept of matter and its characteristics such as mass and volume. This video enhances understanding of how matter occupies space and possesses mass.

Conduct an experiment where students blow up balloons and observe how the gas inside changes shape and volume.

Have students compress a balloon and release it to observe how gases can be compressed and expand.

Provide students with a worksheet to classify different states of matter using examples from their surroundings.

Use the assessment 'What Is Matter?' to evaluate students' understanding of the concept of matter and its states: solid, liquid, and gas. This assessment helps students identify different types of matter in a garden scene.

Engage students in a discussion to reflect on what they learned about gases and their properties. Encourage them to share examples from their daily lives.

Administer the quiz to test comprehension of the properties of gases and their differences from solids and liquids.

For further exploration, use the assessment 'Observing Liquids' to compare the properties of liquids and gases. This activity helps students understand how liquids behave differently from gases.