Distinguish between food and non-food items. Recognize that food is obtained from both plant and animal sources. Identify sources for some common animal foods then construct a simple food path from the farm to the consumer.

Boat safety lesson 7 (out of 22) focuses on the fundamental body position for water skiing. This is done using a water skiing training machine. If you click on the resource link at the bottom of the page, you can view all the lesson...

Students disassemble a toy. In this science instructional activity, students compare and contrast the inner mechanisms of a toy car. Students predict and illustrate what the inner mechanism look like. Then, they disassemble the toy, and...

Students examine the mechanical advantage of pulleys.  In this pulleys instructional activity students are given a challenge to help save a whale by setting up different pulleys systems to move it. 

Students examine how machines help people grow food. They study specialized types of farm machines and the tasks they perform. They complete handouts matching images of the machines with text.

Students observe a machine closely from several angles while it operates. Identify the elements of machines combined in different gadgets. Create a clear diagram of how a machine works.

A short piece on Leonardo da Vinci from the Science Learning Network. Placed here because a) there's a decent drawing of an Archimedes' screw, and b) there's a link to an adequate definition thereof.