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Observation and Stimulation of bioluminescence and chemiluminescence
Students are introduced to chemical reactions, reaction rates, chemiluminescence, fluorescence and bioluminescence. They use glow sticks are used to demonstrate the effect of temperature on the rates of chemical reactions. Pupils recall...
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Chemical Interactions
Students perform scientific investigations to observe chemical reactions. For this chemical reaction lesson students read a passage and identify the cause and effect.
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Antacid Tablet Race
Students compare the reaction rates of effervescent antacid tablets under different conditions. They investigate methods of increasing the power of rocket fuels by manipulating surface area and temperature.
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The Nervous System
Students investigate the nervous system. In this anatomy instructional activity, students identify and define vocabulary related to the nervous system. Students role play the parts of a nervous system and perform an experiment measuring...
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A Plop and Fizz
Seventh graders perform an experiment to determine the effect of temperature on reaction rates. In this chemistry lesson, 7th graders take measurements and record data. They create a graph and analyze results.
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Exothermic Rehydration of Gypsum
Students observe exothermic reactions in the lab using plaster. In this chemistry lesson, students collect data from their experimental set up every five minutes. They explain the different stages in the hardening of plaster.
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Acids, Copper, and Zinc
Middle schoolers observe chemical reactions using post-1982 pennies. They observe the reaction of an acid with zinc but not copper under the same conditions over a two week period.
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2005 U.S. National Chemistry Olympiad - Local Section Exam
National Chemistry Olympiad tests are released after their use each year, since they cannot use them again for this event. The result: outstanding comprehensive assessment resources for general chemistry classes! This 2005 version covers...
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Creating an Enzyme-Substrate Model
Students explore the reaction rates of an enzyme-mediated reaction through experimentation. In small groups, they use everyday objects to demonstrate the effects of environmental variables on enzyme function.
Students graph and...
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Chemical Reactions and Balancing Equations
High schoolers perform various laboratory activities involving chemical reactions. They write balanced chemical equations for all reactions observed using computer software.
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Alcoholic Fermentation in Yeast
Biology classes will bubble with excitement as they complete this assignment. Beginning with an informative overview of cellular respiration and fermentation processes, the highlight comes as an experiment in determining the rate of...
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Activity #7 Apple Color Change
Students compare the different rates of reaction between an apple covered with vitamin C and an apple with no vitamin C. They compare the different rates of reaction between an apple placed in the sun and one not exposed to the sun. ...
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Studying the Equilibrium of a Water System
In this equilibrium instructional activity, students perform a computer simulation on vapor pressure of water at different temperatures to answer 11 problem solving and short answer questions about the topic.
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An Enzyme- Substrate Model
Young scholars explore reaction rates of an enzyme-mediated reaction. They examine the effects of environmental variables on enzyme function. Students collect, graph, and analyze data relating to the reaction.
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Organic Chemistry II Review Questions
In this chemistry worksheet, students determine the order of reactivity toward displacement in each of the series listed. Then they respond to several multiple choice questions as they relate to compounds and solutions. Students also...
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Physical And Chemical Changes
In this physical and chemical change worksheet, students solve 13 clues in a crossword puzzle focusing on rates of chemical reactions and changes in the state of matter.
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Hot Rocks
Students demonstrate that setting of plaster and cement is a change, which involves a release of heat energy, use data collected experimentally to construct comparison graphs and analyze the graphs to make predictions about future...
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Using Imagery To Introduce the Endocrine System
Students listen with closed eyes to a story that starts in a relaxed tone and ends in a scream. They list the body reactions they experience: fast heart rate, shaking, etc. and hypothesize the reason for the reactions. They explore the...
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Got Gas? How Much?
Students perform an experiment that measures respiration. In this performing an experiment that measures respiration lesson, students discuss aerobic and anaerobic respiration. Students measure the gas produced by putting yeast in...
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Fizzy Pop
Fifth graders compare and identify variables that affect the rate of a chemical change using Alka-Seltzer, water, ice, and hot water. They time how long each variable takes to pop the canister into the air, and record the results on a...
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Newton's Laws
Young scholars state Newton's Laws of Motion. They explain how force, mass and acceleration are related. They analyze action and reaction forces, calculate momentum,
and explain conservation of momentum
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Fuel Mystery Dis-Solved
Pupils describe how temperature and surface area exposure affect the rate at which fuel is consumed. They explain why engineers want to know about the properties of a fuel when designing rockets. They create a bar graph of result data.
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Physical and Chemical Changes
Young scholars examine the different changes in matter. In this chemical change lesson students determine the amount of reactant made in a reaction using the law of conservation.
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