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Physical and Chemical Reactions - Factors Which Affect Reaction Rate
A total of five experiments lead chemistry pros to understand the difference between physical and chemical change. They also experiment with exothermic reaction factors that affect rate of reaction. The procedures are not written in the...
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Reaction Time
Students record reaction time data and calculate minimum, maximum, mean, median, and mode. They participate in a class reaction time activity, observe and conduct an online experiment, and discuss and analyze the activity results.
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Inquiry into Consumer Products
Students recognize different consumer products, found in and around the home, that have reactive or denaturing properties when used together. They explore chemical and physical properties of each product by identifying chemical formulas...
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Experiment on Measuring Reaction Rates
Learners investigate the rate of a chemical reaction. In this rate of reactions lesson plan, students use an electronic balance to measure the change in mass of a chemical reaction between hydrochloric acid and calcium carbonate. They...
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The Effects of Temperature on Rate
Students create predictions on what they believe happen to reaction rates when temperature is raised. They use hot, cold, and room temperature water for this experiment and observe the differences. They graph their observations and...
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What Influences Reaction Rate?
Students study reaction rates, what determines how fast a reaction happens and how the chemical changes occur. In this reactions instructional activity students complete a lab where they use Alka-Seltzer to observe reaction rate and...
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Factors Which Affect the Rate of Chemical Reactions
High schoolers complete an experiment with Alka-Seltzer and reaction rates. They control the rate in which gases are allowed to escape. They test their predictions and observe what happens during the experiment.
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Reaction Time
Learners investigate their reaction times for grabbing a dropped ruler after discussing reactions times to other events such as moving your foot from the gas pedal to the brake. They drop the ruler from a sent height and record the time...
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How Can we Measure the Rate of a Chemical Reaction?
High schoolers examine different types of chemical reactions. They explore how alcohol molecules affect the reaction rates. They answer discussion questions to end the lesson.
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The "Clock Reaction" Kinetics Lab
Students investigate the effects of temperature and concentration on the rate of reactions. In this "clock reaction" kinetics lesson plan, students change the concentration of one reactant and keep the second constant. An indicator is...
Virginia Department of Education
Scientific Inquiry: Measurement/Data
While pupils design their own lab experiments, they will not form a new species. Scholars take their materials and design an experiment regarding reaction rates.
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Reaction Rates
Students work in groups of 4-6 for the experiment/activity part of this exercise. They base their explanation on what they observed. Students observe how substances react chemically in characteristic ways with other substances to form...
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Keep it Bottled Up: Linear Rates of Pressure Increase
Pupils explore linear functions in this lesson when they collect and analyze data as a chemical reaction proceeds. Learners record pressure versus time data and model the data as a linear function. They also examine the concept of slope...
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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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The Effect of Math Anxiety on Cardiovascular Homeostasis
Using a pulse monitor, learners will measure a resting pulse, take a math test, and then measure the pulse again. They analyze the change in pulse and compare it to performance on the test. This multi-purpose lesson can be used in a...
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The Fall of the Ruler
Middle schoolers determine their reaction time using a ruler. In this Physics lesson, students calculate the class' means and variances. They plot the graph and analyze if there are outliers.
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Enzyme Lab
High schoolers investigate the enzyme catalase. In this enzyme lesson plan, students observe a normal catalase reaction, they observe liver tissue, potato, chicken and apple for the enzyme catalase and they study the effects of...
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Antacid Tablet Race
Students complete experiments to determine how rocket fuel is affected by surface area and temperature. They compare the reaction rates of antacid tablets. They discuss their results to complete the lesson.
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Rate of Photosynthesis
Students investigate the rate of photosynthesis using elodea leaves. In this photosynthesis lesson plan, students place elodea in a test tube filled with water. They include baking soda and place the test tube under a lamp. Students...
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The Role of Enzymes
Young scholars explore the role of enzymes in chemical reactions. In this enzymes lesson plan, students use hydrogen peroxide and manganese dioxide to observe a chemical reaction. Young scholars observe the rates of reactions of chalk,...
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Water-holding Capacity of Earth Materials
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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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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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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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.