Science 6: Forces

Nehemiah is a structural engineer and an educator; and he builds bridges for a living. He talks about different kinds of bridges from around the globe

Forces are all around us, and they play a crucial role in determining how structures behave.

The video gives a quick overview on this important consideration that engineers must account for when designing infrastructure like bridges and sidewalks.

A teacher demonstrates how compression and tension work in a structure like a bridge

Learn how to identify internal forces acting on structures in this video from our science course.

Learn about internal forces that an change objects.

One type of stress and strain is called shear stress and shear strain. Learn about it here!

Learn how a change in pressure makes fluffy popcorn

This page was developed by a teacher who was competing in the Iditarod. It examines the importance of understanding friction and how it will affect a dogsled on the trail.

Why is it difficult to pull a boat on the beach than on the sea? It's a force called friction!

Think about a time when you rode your bike and you applied the brakes. The bike slowed down, right? If you’ve ever wondered why, here’s the answer

Join us as we play with forces and a tower of milk and cookies. Forces are acting all around us even when objects are at rest.

Learn how to identify external forces acting on structures in this video

This video describes the three types of friction: sliding friction, rolling friction, and fluid friction.

This video explores the force of friction and why we call it a type of contact force.

We know that when a Spring is Stretched or Compressed it goes back to original shape when released. Why is that? what is restoring force?

This video shows a simple Science experiment about Elasticity for Grade School student

Hooke's law is the law that is widely used in engineering. In simple terms, Hooke's law experiment relates the Change in Deformation in spring with the Applied Force!

Why does a swimmer go forward when they are pushing water backwards with their hands? Learn about the forces of action and reaction in this video!

In this video, you'll learn about the laws of motion and how those motions work.

This video for elementary students describes how Newton's Third Law applies to things we see everyday.

Resources for Grade 6 teachers that focus on the Matter unit in the new curriculum