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Physical Science · Matter & Materials

Air Is Matter: It Takes Up Space & Can Push

Use balloons, cups, bags, and syringes to gather evidence that invisible air takes up space and can push on objects.

Lesson plan

Air Is Matter: It Takes Up Space & Can Push

A step-by-step guide to help you teach this lesson.

Plan with confidence

Lesson overview

What students will learn

  • Use observations to show that air takes up space even when we cannot see it.
  • Use evidence to explain how trapped air can push back when it is squeezed.

Key science ideas

  • Air usually cannot be seen, but we can observe what it does.
  • Air takes up space. A balloon gets larger when more air moves inside.
  • Trapped air can push back when it is pressed into a smaller space.

Lesson at a glance

  • Grade 2
  • 40 min
  • ~10 min prep
  • 8 materials

What’s included

  • Lesson Plan
  • Investigation
  • Teacher Slides
  • Printable Worksheet
  • Teacher Answer Key
  • Interactive Activity
  • Vocabulary