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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
Students, 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
Learners 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
Students 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
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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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
Students 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 learning exercise, 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...
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Sheep Heart Dissection
Fifth graders examine a sheep heart. In this biology lesson, 5th graders dissect a sheep heart to identify the parts of a heart including the aorta, valve, septum, and ventricle.
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BJT Amplifier Troubleshooting
In this electrical circuit worksheet, students answer a series of 11 open-ended questions about BJT amplifiers and how to troubleshoot these circuits. This worksheet is printable and the answers are revealed online.
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Designing and Building Catapults
Seventh graders complete a challenge to create a catapult that projects a marble or other projectile at least one meter. While experimenting they apply the Four Question Strategy to answer the question, " How can I make one modification...
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Designing an Underwater Habitat for Humans
Students consider the limitations of deep water oceanography and design an underwater habitat to support scientists while they complete long term studies under the ocean. In this engineering lesson plan, students are introduced to the...
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Electrical Circuits
Sixth graders make an electrical switch. In this electricity activity, 6th graders will make an electrical switch, a series circuit, and a parallel circuit. They explain an open and closed circuit and give examples of series and...
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Change It
Fourth graders expand their knowledge about how the physical properties of a substances can be changed. They are given multiple opportunities, using first-hand experiences and familiar objects in different contexts, to identify...
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Observing Decomposition
In this science instructional activity, students focus upon the concept of decomposition and collect data in order to make interpretations or observations.
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Polymer
Students investigate polymers by completing 3 experiments. In this polymer lesson plan, students mix plastic with acetone, they create polyurethane foam, they make slime and build a polymer model once their polyurethane foam is set. ...
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How Strong is the Solution
Students investigate the strength of solutions. In this scientific inquiry lesson plan, students examine various solutions of food color and water as they discover the concentration of the solutions by adding bleach to clear the color.
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Predicting the Growth of Microorganisms
Students determine where microorganisms might be found around their school. In this scientific investigation lesson, students collect cultures from various locations and place these in petri dishes. They incubate the cultures to see if...
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Columns
Students view a video clip on skyscrapers. They discover how columns support different size loads. They participate in activities and discuss their results.
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Hitler's Lost Sub
Students watch a video clip about German submarines lost during World War II. They work together to create their own submarine out of a plastic bottle. They test the buoyancy of the submarine in different activities.
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Understanding the Mole
High schoolers develop an understanding of the mole and molar masses of elements. In this mole lesson plan, students use beans to find their relative masses and draw parallels to the atomic masses of elements. High schoolers work in...