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- Grade Range
- 2nd - 4th
- Rating
Students explore levers, screws, pulleys, wheels and axles, wedges and ramps as simple machines. Full Review »
- Grade Range
- 6th - 8th
- Rating
Students, after being introduced to the concept of levers, construct simple machines and compare the work done by tem. Full Review »
- Grade Range
- 4th - 5th
- Rating
Students explore three classes of levers. They classify the class of lever represented by a picture. Students discuss their choices. They prepare a written paper explaining their choice. Full Review »
- Grade Range
- 5th
- Rating
Students discover the rules by which the lever slants and balances. They determine that there are a great many tools that employ the lever principle even in their ordinary environments. They consider how to use objects easily after finding that it's really hard to lift a heavy object by hand. Full Review »
- Grade Range
- 5th
- Rating
Students participate in a review discussion of the parts of a lever, resistance or load, fulcrum, and effort. Next, they complete activities at six experiment stations while collecting data that they share with the class. While collecting the data they complete at attached Science Inquiry Packet entitled, "Levers." Full Review »
- Grade Range
- 4th - 6th
- Rating
Students determine the identity of the three classes of levers while explaining how each works. They wait a video clip that shows uses for different types of levers and work as a class to write a KWL chart. Finally, they make a model fo a siege weapon that meets the specifications in the attached brief. Full Review »
- Grade Range
- 3rd
- Rating
Students view a demonstration of a teeter totter as a basis for assessing pre-knowledge of a lever. They create a KwL chart. Students work in small groups to conduct a variety of experiments. The first requires students to tie books into a bundle, and place the fulcrum and books at different locations along the lever. Students record results. They write a summary statement about the force required to lift a load and the distance the load travels. Full Review »
- Grade Range
- 4th
- Rating
Students lift objects with the fulcrum and load in various positions and then experiment with how much force is exerted by the effort and load arms of the lever. They place 5 paper clips in the load and move the fulcrum to match provided scenarios. Full Review »
- Grade Range
- 2nd - 3rd
- Rating
Students brainstorm if they think that any lever would use the same amount of paperclips. They break into small groups and use a data sheet as well as a lever, Lego person, fulcrum, and some paperclips and prove what they think by taking data and then comparing what they cound with the rest of the groups. Full Review »
- Grade Range
- 4th
- Rating
Students investigate the use of levers as simple machines in order to perform work. They create a word wall with vocabulary that is introduced by the teacher. Students work in groups in order to classify and label levers as being first, second, or third class. Full Review »
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