Sophia Learning
Sophia: Simple Machines: Lesson 1
This lesson will introduce the six types of simple machines and show how machines can increase efficiency by reducing work input needed. It is 1 of 2 in the series titled "Simple Machines."
Hunkins Experiments
The Secret Life of Machines
An entertaining site that communicates ideas through cartoon drawings. Discover how simple machines and gadgets operate, such as fax machines and washing machines.
Curated OER
Integrated Publishing/block & Tackle (Or Pulley)
Very substantial four-page article on how the block & tackle works. (It's a simple machine -- a pulley.) Lots of illustration. Mechanical advantage, formulae, solved problems, all here. Good source for info.
Curated OER
Integrated Publishing/block & Tackle (Or Pulley)
Very substantial four-page article on how the block & tackle works. (It's a simple machine -- a pulley.) Lots of illustration. Mechanical advantage, formulae, solved problems, all here. Good source for info.
Curated OER
Integrated Publishing/block & Tackle (Or Pulley)
Very substantial four-page article on how the block & tackle works. (It's a simple machine -- a pulley.) Lots of illustration. Mechanical advantage, formulae, solved problems, all here. Good source for info.
Curated OER
Science Kids: Science Images: Gears
This image shows a large gear and a small gear from two different angles. Understanding how gears work is important when learning about mechanical advantage and simple machines.