My First Discoveries · Drawing 37 of 40
Wheels for Moving Things
Everyday Discoveries
A wheel turns around an axle. On a little cart, wheels let a load move by rolling.
Did you know?
A bicycle has two wheels; this wagon has four.
Look together
Which parts of the wagon help it move?
An idea to try
Roll a little cart and observe its wheels.
For the adult reading along
A little more to discover
The wagon has four wheels and two axles; one far wheel is partly hidden by its tray. Depending on the mechanism, wheels can be fixed to a rotating axle or rotate around a fixed axle. The drawing simplifies the mechanism without a separate enlargement. It names no single inventor or first-invention date.
Look together: Which parts of the wagon help it move? Roll a little cart and observe its wheels.
Sources and illustration notes (1)
Illustrations simplify shapes and sizes. Models and enlargements help observation; choose your own colours.
These links lead to other websites. Explore them with an adult. References identify the institution and the related lesson; some linked pages are in French.
- Science World: Wheels for Moving ThingsExplain a useful everyday invention and compare movement.
Source review: 2026-10-03. Illustrations are simplified for colouring.
