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Growing from Seed
High school or college horticulturists will appreciate this PowerPoint on seed-propagation. It walks them through the science behind seed production and germination as well as the requirements for growing plants from this stage....
Channel Islands Film
Island Rotation: Lesson Plan 4
Foster's Rule? Allopatric speciation? After watching West of the West's documentary Island Rotation, class members use Venn diagrams to compare endemic species on the Channel Islands with mainland related species. They then create a...
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Rube Goldberg Project
Learners apply inquiry and problem solving approaches in science. They design a device (invention) that solves a special problem.
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How Does the Elbow Work: A lesson in Levers
Students examine levers that exist in the human body. In this body function lesson students complete a lab activity that models how the elbow is a third class lever.
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Computer Graphing
Students research the Internet or create surveys to find graphable data. They collect, organize, analyze and interpret the data. Finally, they choose the appropriate type of graph to display the data and find the measures of central...
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Ins and Outs of Simple Machines
Young scholars explore the ins and outs of simple machines. They discover the various roles of simple machines, who uses them, where they can be found and how they actually work. Students create a compound machine using simple machines.
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Focus on Friction
The students learn about friction and forces through direct instruction and an investigation. They use measurement skills, observation skills, predicting, and drawing conclusions based on data collected during the investigation. Students...
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Machines
For this machines worksheet, students review different types of simple machines including pulleys, wedges, levers, and inclined planes. This worksheet has 10 matching, 4 multiple choice, and 8 short answer questions.
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Work and Efficiency
In this doing work worksheet, students calculate how a ramp can increase the efficiency of the work done by decreasing the force necessary to complete the task. This worksheet has 9 problems to solve.
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Challenger's Lost Lessons - The Lost Simple Machines Lesson
Students investigate the characteristics of simple machines. In this simple machine lesson, students investigate work as a product of applying constant force. They answer questions about what happens on Earth and what may have happened...
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Simple Machines-Pulleys
Third graders understand what a pulley is and how it works. In this simple machines, pulley lesson students experiment with broom sticks creating a pulley. Students observe how the pulley moves in its different trials.
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Assignment # 1: Merry-Go-Round Story
Class members use e-mail and the merry-go-round story format to create a science fiction story. Each writer begins by selecting one of three prompts, crafting the introductory paragraph and sending the paragraph to the next person on the...
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Essential Elements
A color-coded periodic table identifies organic elements, major minerals, and trace elements. Oxidation states are highlighted and types of chemical bonding are annotated. The electron energy level chart is explained. Though not all of...
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Clipbirds
Learners attempt to pick up various objects with a wide variety of beaks, including scissors, spoons, etc.
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Preying on Beans
Students act as predators searching for prey (beans) in two different settings to demonstrate the processes of adaptation and selection.
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The Rise and Fall of the Mammoths
Students develop an understanding of the evolution of species in the context of the woolly mammoth. They examine the fossil record to explain natural selection.
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I Am a Book
Third graders discuss books that have been banned and the things that they have in common. They explore the concept of freedom of speech and write poems based on their discussion.
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Ring Around the Rosie
Students examine the concept of angular momentum and its correlation to mass, velocity, and radius. They listen to a teacher-led lecture, conduct an experiment with rotational inertia, angular momentum, and rotation speed by making...
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Falling Water
Students drop water from different heights to demonstrate the conversion of water's potential energy to kinetic energy. They see how varying the height from which water is dropped affects the splash size. In seeing how falling water can...
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Water Power
Learners observe a model of a waterwheel to investigate the transformations of energy involved in turning the blades of a hydro-turbine into work. They work as engineers to create a model for a new waterwheel while considering resources,...
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Condon Bingo
Students use COndon Bingo to decipher genetic codes. Students practice transcription and translation of codons while playing the game. They enjoy playing the game, while actively participating. Students develop an increase proficiency...
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Block and Tackle
Students simulate block and tackles to lift heavy objects. They lift cargo by hand with the whip and the two-fold purchase to simujlate what crew members do aboard ships. They measure the effort and distance pulled for a gun tackle, luff...
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Simple Machine Test
Students complete several worksheets about machines. In this machine lesson students complete several handouts that describe the different machines and how pulleys work.
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