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Organic Materials in an Aquatic Ecosystem
Students evaluate the relationship between oxygen levels and the amount of organic matter in an aquatic ecosystem. They explain the relationship between oxygen levels, bacteria and the breakdown of organic matter using an indicator...
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Determination of the percentage of Acetic Acid in Vinegar
Students determine the concentration of acetic acid when the concentration of the base with which is titrated is known. They investigate how to weigh a sample using the balance, measure volumes using graduated cylinder, explore the...
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Stoichiometry
Students discover stoichiometric relationships in chemical equations. They review mole to mole conversions. They understand mass/particle conversions. They perform a lab to reinforce stoichiometry.
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Exercise and Heartrate
Fourth graders experiment to find the effects of exercise on the heart rate. In this exercise and heart rate lesson, 4th graders create questions about exercise and heart rate. Students use the scientific method to test and analyze...
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How Sweet It is! A Colorful Sugar Solution Density Column
Students examine the affect of density. Using a graduated cylinder and equally prepared volumes of sugar-water solutions and food color, students observe a sugar rainbow. They discover that the greater the amount of sugar in the...
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Determining Acids and Bases
Students test various liquids and identify as acids or bases. In this chemistry and pH lesson, the students use purple cabbage indicator to test a variety of teacher-provided substances, then bring in liquids from home to test acidity....
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Introduction to Scientific Method
Students investigate safe laboratory procedures, classroom management guidelines, and group roles and procedures. They study a set of safety guidelines with their parents, and to sign a contract stating that they understand the...
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Oceanic Absorption- Oceanic Sequestration
Students examine the techniques that may be used to reduce carbon dioxide in the atmosphere. In this pollution lesson students simulate oceanic sequestration using chemistry.
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Oceanic Absorption- Oceanic Sequestration
Students examine the different techniques that may be used to reduce carbon dioxide in the atmosphere. In this ocean pollution lesson students divide into groups and complete a lab to see how the ocean holds carbon dioxide.
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The Conservation Of Mass (The Mass Of Gas)
Young scholars gain an understanding of matter in all of its phases. In this science lesson plan, students further their knowledge of the laws of conservation of mass, the loss in mass can be accounted for, when the gas is allowed to...
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Food Energy
Students compare the energy value of traditional foods eaten by indigenous people with those of modern commercial foods. They use a calorimeter to measure and calculate the amount of stored energy in various food types, and identify the...
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pH Scale, acids and bases
Eighth graders define the pH scale, acids and bases. They distinguish between acidic and basic solutions using litmus paper. Students review simple chemical formulas. They define the subscript and coefficient in terms of chemical...
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Van de Graaff Generator
Students explore static electricity using the Van de Graaff generator. In this physics lesson plan, students construct their own Van de Graaff using simple materials. They explain how charges accumulate on this device.
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Determine the molarity of an unknown HCl solution
Students complete a lab to help develop a comprehension of stiochiometry. They review equation writing, equation balancing, and stiochiometry. Studnets are given the following information: Sloppy students from the previous class have...
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Build Your Own Simple DC Motor
Learners, after brainstorming how we interact with some kind of motor every day in our lives, explore how to build their own DC motor. They collect all the parts needed for their experiment and review all safety precautions. In addition,...
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The Motion of a Virus Through a Population
Students test the factors that influence the rate at which a virus spreads through a population. They complete a lab activity then discuss data collected and review and answer a set of questions.
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Trapping CO2
Students investigate climate change and how the properties of carbon dioxide and methane play a part. In this climate lesson students use a chemical reaction to trap CO2 and methane.
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Reflection of Light and Mirrors
Students address common misconceptions concerning reflection, light and mirrors. They investigate light reflection in mirrors and determine how light is transferred to the eye. In addition, they make predictions and then test them...
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Microbiology Lesson
Learners collect water samples and use a microscope to find bacteria in the samples. They categorize the different bacteria they find, determine the number of colonies there are, and predict how the bacteria levels might affect animals...
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Experiment on Measuring Reaction Rates
High schoolers 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....
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RHS Campaign for School Indicator
Students study Ph and how acids and bases can affect it. In this indicators lesson students divide into groups and complete a lab activity to investigate what happens when they add indicators.
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Pop Secret Information
Learners design procedures for increasing the popping rate of a set amount of popcorn kernels. They propose and test a "secret" addition to the corn popping procedure which they expect would increase the popping rate and then write lab...
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Comparing Ovaries And Testes
In this reproductive system worksheet, students compare specimens of rat ovaries and testes. They complete 5 short answer pre-lab questions, follow an 11 step procedure and answer 5 analysis questions.
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How Big is a Molecule?
Students calculate the size of a molecule. In this molecules and their sizes lesson plan, students find the size of an oleic acid molecule by using a measured amount of drops of oleic acid to find the volume of the sample, the thickness...