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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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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...
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Huff, Puff, and Slide
For this experimental design worksheet, students use a cup and coins to determine the distance they can blow a cup with varying amounts of coins. They analyze their results and design an experiment using the same materials.
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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, learners 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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Density Of A Material
Students determine the density of a material created in the laboratory and observe physical and chemical changes. They engage in a lab activity, and answer questions on a worksheet imbedded in this plan.
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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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Electrical Circuits
Sixth graders make an electrical switch. For this electricity lesson, 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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Predicting the Growth of Microorganisms
Students determine where microorganisms might be found around their school. In this scientific investigation lesson plan, students collect cultures from various locations and place these in petri dishes. They incubate the cultures to...
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Polymer
Learners 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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Volume of Gas
Eighth graders investigate the effect of temperature on the volume of a gas in a closed container. They measure the height of the water in their beaker/container, conduct their experiment, and create a graph to illustrate their data.
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Acids, Bases and Indicators
Students investigate the pH of various solutions with indicators. In this acids, bases and indicators lesson plan, students use a variety of indicators to test solutions for their pH. Students determine which indicators are the best to...
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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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Understanding the Mole
Students 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. Students work in teams and each...
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Polymers
Students make polymers in the lab. In this polymers lesson plan, students make a nylon fiber polymer chain. They define monomers, polymers, addition polymerization, condensation polymerization, crosslinking and cyrstallinity.
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Chapter 10: Chemical Calculations and Chemical Equations
In this chemical equations worksheet, students write and balance chemical reactions. They complete 98 short answer and problem solving questions on molarity and chemical equations.
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Stoichiometry Lessons
Young scholars are introduced to stoichiometric relationships in chemical equations with a Trail Mix activity before performing a lab to reinforce stoichiometry. Students complete the unit with a lab about limiting reactants in chemical...
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Scientific Method "Lab Writeup"
High schoolers analyze and experience the scientific method. They discuss the various steps of the method, conduct various experiments, and write a three-paragraph essay regarding their conclusion.
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DESKTOP ELECTROPHORESIS LAB - MOVING MOLECULES
Students build efficient electrophoresis systems for less than $15.00 each and use them to demonstrate electrophoresis ability of stain molecules and materials such as DNA.. They know that electrophoresis is a technique used for the...
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Great Glaciers!
Seventh graders study the earths surface and how changes happen to it. In this glacier lesson students complete a lab activity to see how glaciers form.