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Activity #15 The Cartesian diver
Students comprehend that the Cartesian diver is a dropper and the water and air inside it. They vary the volume of the air and the amount of water, the diver can be made to be either more or less dense than water. Pupils squeeze the...
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Activity #16 Dancing Spagehetti
Students experiment with floating the spaghetti, the gas functions like a life preserver. Pupils comprehend that a person is slightly more dense than water. They comprehend that a life preservers are made of low-density materials. The...
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Activity #19 The Density of Alka Seltzer Gas
Students (teachers) complete the activity, they should not come in contact with Alka-Seltzer. They comprehend that the density of a gas can be calculated from its mass and volume. Pupils calculate the volume of gas generated by...
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Chemical Equilibrium
Middle schoolers explore Le Chatelier's Principle. For this lesson about chemical equilibrium, students do an experiment with several different activities . Middle schoolers observe as they do the experiments and understand the outcome....
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Chemical Changes
Sixth graders explore chemical and physical changes. In this lesson about chemical changes, 6th graders observe various items and changes that occur at certain times. Students determine what change took place and observe the change....
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Separation of Mixtures and Compounds For K Through 12
Students explore mixtures and compounds. In this lesson, students do an experiment to distinguish between mixtures and compounds. Students complete ten different phases of the experiment testing many different substances. Students will...
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Light & Crystals
Students observe a demonstration of light refraction. They experiment with disappearing crystals to further study light refraction.
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Combining Elements to Form a Compound
Learners explore elements and compounds. In this instructional activity about elements and compounds, students will do an experiment. Learners work in groups of 2-3 as they complete two separate activities. Students understand how two...
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Chemical Changes
Students compare types of chemical change. In this chemical reaction lesson, students use a variety of household items to investigate different types of chemical change. Students will engage in a discussion about the dangers of chemicals...
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Activity #5 Soils-Permeability and Impurity Removal
Students predict which types of soils would work best for keeping contaminants contained. They comprehend that in the past, landfills have been one major source of groundwater contamination. Pupils comprehend that placing and building...
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Ocean Absorption Lab
Middle schoolers examine various techniques that can reduce carbon dioxide in the atmosphere, and use chemistry to simulate oceanic sequestration. They conduct an experiment involving the method of oceanic absorption for carbon...
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Build Your Own Weather Station
Studens experiment with temperatures. In this science lesson, pupils make their own weather station by heating one bottle and keeping the water in another bottle at room temperature.
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Physical vs. Chemical Change Lab
Students recognize both a physical and chemical change in different substances. They determine which particles actually changed into different substances, and explain if it represented a physical or a chemical change.
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Chemical Changes
Students explore chemical changes. in this activity about the properties of chemical changes, students do experiments, observe, and record results. Students complete four experiments in order to observe chemical changes. In each...
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Baking Soda and Vinegar Volcano
Pupils construct a volcano using baking soda and vinegar. In this earth science instructional activity, students explain the reaction that takes place when these two chemicals combine together.
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Activity #1 Reactions: Chemical or Physical?
Middle schoolers distinguish between physical changes and chemical changes. They comprehend that chemical reactions produce new substances with compositions and properites which are different than those of the starting materials. ...
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Waterproof Paper
Students explore matter through the concept of displacement. They perforrm an inquiry experiment with a glass, paper and a bucket to demonstrate that gases take up space.
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Liquid Layers
In this density worksheet, students investigate what will happen when various liquids with different densities are put into the same container. They hypothesis and make observations. Students answer 4 questions about their investigation...
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Floor Polish Experiments
Young scholars compare various brands of floor polishes and test their durability and appearance. In this floor polish activity students test different polishes and check performance.
University of Southern California
Mastering Microbes
Small but mighty! Learners explore the role of microbes in a healthy ecosystem. An engaging activity asks pupils to design an aquaponics system that demonstrates that healthy microbes are necessary to maintain the ecosystem.
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Indicator Sponge A Discrepant Event Demonstration
Students explore the use of acid and base pH indicators. The teacher saturates an indicator sponge with congo red solution. Afterwards, the sponge is placed in a blue base solution. Students observe that the blue sponge actually turns...
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Polymerization Experiments
Students study the concepts of polymerization and the function of crosslinkage. In this polymer lesson students complete a lab activity and write down their observations.
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Making Soap
Students explore what chemical indicators are and use pH paper to determine if something is alkaline or basic. In this pH lesson students manufacture their own soap.
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The Physical Behavior of Matter
Young scholars distinguish between three phases of matter: solid, liquid and gas, on the molecular level. They compare and predict the relative compressibility of the three phases of matter through journal writings and drawings.
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