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The Nutritional Content of Food
Students are given three unknown samples and must perform two chemical tests in order to determine if the samples contains protein and/or starch. Students work with corrosive or toxic reagents.
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CAN'T TOUCH THIS!
Young scholars discover the best practical shielding material when dealing with radioactive substances. They draw conclusions based on availability of materials, price, and best shielding properties.
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Unfold the Mystery of Mold
Students research the conditions in which molds thrive. They apply the scientific method to develop a hypothesis, conduct research and test results.
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Help Wanted: A Lighting Engineer For Popular Rock Group
Students are assigned to groups, and determine each member's role in the group. They will design an experiment to determine a way to produce the three primary and five secondary colors. Students discuss color and mood. They listen to a...
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Ants In Motion
Students brainstorm ants and their characteristics in a class discussion. They observe the ants and answer question pertaining to their behavior; then they apply the scientific method in creating and investigating a problem.
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Plants
Students illustrate the major parts of a plant, classify some plant foods we eat as roots, stems, leaves, flowers, fruits and seeds. They also name some animals that use seeds, leaves, and fruit for food.
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Population Density
Middle schoolers use the scientific method to conduct an experiment and use varied methods to gather background information. They correctly use lab equipment and prepare tables and graphs that organize, conclude, and present their...
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How Many Drops?
Students conduct a simple test to determine how many drops of each of three liquids can be placed on a penny before spilling over. They come up with an explanation for their observations about different amounts of liquids a penny can hold.
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Acid-Base Titration
Students determine the concentration of an unknown solution. This task assesses students' abilities to state hypothesis, develop procedures for investigation, plan for recording and organizing observations and data, collect data, create...
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Electric Circuits
Students determine the power dissipated in the combination of two resistors connected in series to a 6 volt battery. This task assesses students' abilities to develop procedures for an investigation, develop a plan for recording and...
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Friction Force
Students investigate friction force on a variety of objects such as bricks and cardboard boxes. They use a force probe to collect data on the changes in force required to drag the objects across a variety of surface types.
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Ice Cold
Students design and conduct an experiment to investigate what happens when salt and ice come together and to determine if one form of salt is better for melting ice on steps and sidewalks.
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Rate of Solvation
High schoolers test factors that may affect the rate at which sugar dissolve in water. They conduct two studies: One is to test the effect of temperature on the rate of solvation and the other is to test a factor which Students come up...
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Snell's Law
Students determine whether the index of refraction of sample of Corn Syrup meets Federal standards. This task assess students' abilities to explain the procedures for investigation, plan for recording and organizing observations and...
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Hydrated Salt
Students plan, design, and carry out an experiment to determine an empirical formula for a hydrated salt X that tell students when all the water has been removed from hydrate crystals.
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Catalase Enzyme
Students design and conduct an experiment to test their ideas about how to speed up or slow down the rate of an enzyme-catalyzed reaction. They have access to an array of physical and chemical factors that might influence enzyme...
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Car Wash
Students determine the most appropriate site for a car wash, based on each site's soil characteristics (chemical, physical) and topographic features. They perform an experiment to determine the changes to three different soil types when...
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Leaf Pack Study
Young scholars conduct an experiment using leaf packs. For this leaf lesson students complete an activity in groups and complete a handout.
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Aerodynamics
Pupils discover the basic principles of aerodynamics, including the roles and identity of natural forces involved. They examine how the force of gravity is overcome by the curved shape of an airplane wing and air pressure.
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Land Safely...
Students model the preparation needed for a soft-landing on a planet or object in space. They do this by packaging a raw egg with certain material, and dropping the egg from a given height to test the packaging effectiveness.
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Constructing Earthquake-Proof Buildings
Students examine different materials and design options that can affect the durability of a building. In this investigative lesson plan students conduct several earthquake experiments.
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Great Gravity, Batman!
Eleventh graders are introduced to the effect of gravity on plant growth. They describe the major processes and mechanisms by which plants grow, develop, and supply various products, including energy and nutrition, needed by other...
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Inquiry into Heat Loss and Insulation
Learners design an experiment to test the problem of the porridge in Baby Bear's bowl as being just right while the other porridge was either too hot or too cold. They explain the steps of their experiment and record their observations...
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Antlion Pit Building Investigation
Students design and perform an experiment related to comparing and contrasting antlion pits. Given a set of parameters, students select a hypothesis and perform observations on antlion pits. They record data and use this date to support...