Curated OER
Secrets of Lost Empires II -- Medieval Siege
Students design a working working model of a trebuchet and demonstrate the power of a Class 1 lever. They test their models by throwing grapes the greatest distance and raising and lowering bricks.
Curated OER
Inverse (Indirect) Machines
Students observe relationships between quantities. Students complete activities for three different classes of levers. In groups, students build each type of lever. Students identify levers in their daily surroundings. Students observe...
Curated OER
Smoses Toy Expo
Students research one of the simple machines listed in the lesson and review several simple machine websites to complete their research. Students use software and a watch a video to learn more about machines. Students create a poster...
CK-12 Foundation
Expected Value: Game of Chance
Determine whether the payoff is worth it. Pupils calculate the expected value of a game with three different payoff levels. Each level has a different probability of winning money. The scholars find the expected payoffs for each level...
Curated OER
Who's the Frog Jumping Champion?
Students use a simple machine (a lever) to launch a plastic frog. students determine who is able to make their frog "jump" the farthest and graph the results.
Curated OER
Cyber Chow Combos
Using a worksheet that's embedded in the plan, elementary schoolers must come up with the most possible combinations of food they can order from the menu on the worksheet. The lesson is meant to be done independently by everyone, then...
Curated OER
4-H Clothing and Textiles Activity Page
This activity provides a unique review of clothing and textiles, focusing on sewing. It includes a handy diagram of a sewing machine, which could be useful in a home economics class, and 10 questions.