Grade 4
Science & Technology
Structures and Mechanisms
Return to Ontario Elementary Curriculum Links Page
The Pulley: You are going to demonstrate how a pulley works as well as how it can make work easier. Easy for Grade 4.

Bicycles: Get in the Right Gear!: The main driving action in a bicycle happens because of a gear system. Calculate the gear ratios of your bike, make predictions based on your calculations, and test them with a ride.
 
 

Submit a site for inclusion on this page
(Please be sure to indicate the grade level, subject area, and strand in your email)