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Frosty the Snowman Meets His Demise: An Analogy to Carbon Dating
Students read and discuss an article about carbon dating, then participate in a hands-on lab to discover how carbon dating works. Students also write a letter to a friend explaining the process, and how archeologists use the process to...
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More About Static Electricity
Students examine the concept that static electricity is a phenomenon that involves positive and negative charges. They explore the Static Electricity section of the Science, Technology and Engineering website to learn more about the...
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Static Electricity and Lightning
Students study concepts related to static electricity, based on a single example: lightning. They explain how static electricity, lightning, and sparks are all related phenomena. They draw a diagram illustrating the negative and positive...
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The Energy Debate - Stoichiometry
Students determine crude oil can be separated into useful fractions by a process of fractional distillation. They write a balanced equation for the reaction between a hydrocarbon and oxygen.
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Candy Reaction
In this triboluminescence worksheet, students use wint-o-green Lifesavers to observe a chemical reaction that gives off light. They break a lifesaver up with a hammer and make observations and they chew a lifesaver and make observations....
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Bhopal - Rate of Reaction
Students determine that the rate of reaction is affected by temperature, surface area, concentration of reagent, and addition of a catalyst or inhibitor. They observe that on December 3rd, 1984, 8000 people died when the chemical plant...
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Foucault's Pendulum
Students investigate how the motion of the Foucault pendulum proves that the Earth is rotating. They research the Internet about pendulums and conduct an experiment online. They view a multimedia presentation about pendulums and read...
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Dust in the Wind; Chemicals in the Water
Students explore mechanical and chemical weathering at stations. They articulate some mechanisms of chemical and mechanical weathering through exploration in a lab. Students stations describe how chemical weathering differs from...
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Hot Cans and Cold Cans
Students investigate the physics of heating and cooling through conduction, convection, and radiation. Working in groups, they determine the best way to cool a can of water and warm a can of water. Temperature is taken at five minute...
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Virus and Bacteriophage
Students examine the differences between a virus and a bacteriophage. They explore various websites, identify the parts of a virus and a bacteriophage, and construct a model of a virus or bacteriophage.
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Stiochiometry: Quantifying Changes in the Environment
Students examine stoichiometry. In this chemical reaction and mole lesson, students complete an experiment based on readiness levels to explore that changes are quantified in chemical reactions.
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Synthesizing Pigment and Dyeing Cloth
Young scholars create a synthetic dye and oxidize the dye and record the effects.
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Transformation of Energy: Heat
Sixth graders investigate how heat is transferred and the concepts of conduction, convection, and radiation. They define key vocabulary terms, and observe teacher-led demonstrations of conduction, convection, and radiation.
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Recognizing and Describing Chemical Changes
Seventh graders distinguish between physical and chemical changes in both natural and technological settings. They identify the reactants and products for a given chemical reaction. they then write simple chemical equations given the...
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WATER CHEMISTRY
Students list reasons why water is important and investigate and graph the freezing points of different solutions.
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Water and Ice
Students observe water as it changes form. For this water lesson students observe, measure, and describe water as it changes state.
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Static Electricity 4: Static Electricity and Lightning
Students explain concepts related to static electricity, based on a single example: lightning.
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Static Electricity 3: More About Static Electricity
Students reinforce the concept that static electricity is a phenomenon that involves positive and negative charges.
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Combustion Reactions
Students write a balanced chemical reaction. They articulate how burning fossil fuels increase the carbon dioxide levels in the atmosphere. Students incorporate all the environmental risks involved as well.
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Elements and the Periodic Table
Students are introduced to the elements on the Periodic Table and what is meant by element. Using the Table, they identify the name, atomic mass, number and symbol of each element. To end the instructional activity, they discover the...
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Ammonium Nitrate - Efficient Fertilizers
Students study the chemistry of ammonium nitrate and consider the advantages and disadvantages of this compound. They compare different fertilizers and calculate the molar mass and percent nitrogen in the different fertilizers.
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Plate Tectonic - Volcanoes
Students watch and learn the different levels of "viscosity" in liquids to explain molten lava after viewing a video of a Hawaiian volcano.
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Stellar Fingerprints: the Spectra of Stars
Students explain how an element can be identified using emission spectra. They relate the emission spectrum of hydrogen to its absorption spectrum and identify hydrogen absorption lines in the spectrum of stars.
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EGG-cellent POLYMER PACKAGING DESIGN
Learners investigate the concept of a polymer using an experimental design of protecting an egg in a bookbag. They test the properties of polymers and form an educated solution to the proposed problem. Then they describe the steps used...