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Medieval Catapults
Students design and build a working catapult or trebuchet to explore the concepts of force, motion, and distance.
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Battery Charger
Students explain how battery chargers work. In this physics lesson, students discuss the two main ways that vehicles get charged. They build their own battery charger.
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Optical Illusion Machine
Students explore optical illusions. Using Legos, they construct and motorize a machine that has an axle that's geared up and geared down, complete a worksheet, and answer discussion questions.
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Adhesives: Measuring Stickiness
Young scholars test the stickiness of natural substances. In this adhesion as a property of matter lesson, students build a tool to test the adhesion of natural "glues" such as honey, peanut butter, flour and water paste, and jelly. ...
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Make Work Easier!
Pupils work in pairs to design a lever. They conduct experiments using a penny and nickel to explore the uses of a lever.
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Cooler in the Shadows
Learners explore how the amount of sunlight and heat change in areas that are shaded.
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Principles of Flight: Gyrocopter and the Scientific Method
Students explore the concept of the scientific method. In this investigative lesson, students investigate which direction the blades will spin on a gyrocopter. Student will practice using the scientific method to complete the investigation.
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Cell (Biology)
Students conduct a series of activities to explore the nature of cells. In this biology instructional activity, students observe plant and animal cells under the microscope and compare them. They differentiate osmosis and diffusion.
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What Plants Need in Order to Survive and Grow: Soil
Students conduct an experiment to evaluate whether plants need soil to survive and grow. They plant two seeds, one with soil and one without, make predictions, and record and analyze the seed germination results on a worksheet.
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Classifying Candy I
Students explore the observable properties of matter. They develop two binary classification systems using concrete objects. based on two different properties of the concrete objects.
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Understanding How Potatoes Grow
Second graders make a KWL chart and brainstorm what they need for the project of growing potatoes. They choose one potato and plant it in water or peat moss cups and choose a location in which meets the needs of the plants and make their...
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Water Equilibria
In this water equilibria worksheet, students calculate the pH of solutions, they fill in a table with the type of acid or base given a compound and it's concentration and they calculate approximate solubilities for salts.
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Particulate Matter- How Dirty is the Air We Breathe?
Fourth graders investigate air pollution. In this air pollution lesson, 4th graders test the air quality by using a block of wood and petroleum jelly. Students investigate the pollutants on the wooden block.
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Testing for Life
Students test for organic molecules to determine if a solution contains once living molecules. In this characteristics of life instructional activity, students test common liquids for the presence of organic molecules, including starch,...
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Slow Rot or Not?
Fifth graders examine how environmental factors affect decomposition. In this decomposition lesson, 5th graders experiment with the decomposition of grapes in five different environmental settings. They look at images of items that have...
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Ohm's Law
In this Ohm's Law worksheet, students answer 16 questions about electricity, electric current, voltage and electricity and they mathematically analyze a circuit they design and construct.
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DNA and Protein Synthesis
Tenth graders work with a partner, and copies of the attached worksheet "Amino Acid Codon Table" They discuss ways an organism, obtains and uses proteins. Students view a teacher prepared DNA strand banner, and record the complementary...
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Chemical Changes
Fourth graders examine and identify chemical and physical changes in a variety of substances. They observe a vinegar and baking soda demonstration, and a water, laundry detergent, and Epsom salt mixture demonstration. They discuss the...
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Kyoto Protocol
In this environment worksheet, students read an article about setting up the Kyoto Protocol, an international treaty. They identify the meaning of human environment and what the Earth's greenhouse effect is. Students also explain the...
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Aerial Photographs
In this geography worksheet, students read an excerpt about aerial photographs and how they are taken. Then they identify shape, size, tone, shadows, and other hints that might be seen. Finally, students respond to 5 short answer...
Biology Junction
Nucleic Acids
In this DNA instructional activity, students identify the different parts of the DNA and color them. They complete 16 short answer and fill in the blank questions on DNA.
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What Plants Need in Order to Survive and Grow: Light
Students conduct an experiment to evaluate whether plants need light to survive and grow. They observe and gather data about plant responses to different growth regimes, analyze the data, and make conclusions about basic plant needs.
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Leaf Stomata as Bioindicators of Environmental Change
Students, in this experiment, collect leaves from two species of trees and the stomatal index on the upper and lower epidermis of each leaf be determined.
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Leaf Stomata as Bioindicators of Environmental Change
Students perform an experiment to determine the stomaltal index on the upper and lower epidermis of two species of leaves. Stomatal densities change in response to changing atmospheric levels of carbon dioxide and to annual rainfall.