Powerplay

Interactive activity from sciencenetlinks.com. We must choose the right components in order to make the compound machine works correctly.

Simple Machines

A set of information and interactive activities on the topic from the website cosi.org.

Science Content 5: Technology

OUP Science Content 5 Section F is devoted to  Technology. F1 works on  Machines and F3 on Computers. You need a password to get in.

Animated Engines

The Compound Machine

Simple Machines

From Edheads we've got this excellent interactive activity. When choosing the House you work on simple machines. Compound machines are worked on the Tool shed.

Simple Machines

Science Content 4: Simple Machines

In OUP Science Content 4, section E is devoted to Simple Machines. It also introduces complex machines. Here's the link to the Digital Resources and the Activity Book. You need a password to get in.