# Inertia and Newton's first law

Inertia is a powerful idea. Using many examples will help students to understand what it means.

**Experiments**

Inertia on a low friction surface

The inertia balance or 'wig-wag'

**Related Guidance**

Inertia is a powerful idea. Using many examples will help students to understand what it means.

**Experiments**

Inertia on a low friction surface

The inertia balance or 'wig-wag'

**Related Guidance**