Curated OER
Activity #1 Reactions: Chemical or Physical?
Learners distinguish between physical changes and chemical changes. They comprehend that chemical reactions produce new substances with compositions and properites which are different than those of the starting materials. Pupils also...
Curated OER
Nutrient Analysis Lab
In this nutrient analysis lab worksheet, students perform several experiments in a lab setting. Students test products for carbohydrates (monosaccharides and polysaccharides), proteins, lipids, and starches.
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Stalactites And Stalagmites
Students conduct a scientific investigation about the formation of stalactites and stalagmites. They conduct an experiment to reproduce them in the lab environment. Students make observations over a period of time in order to see 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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Waterproof Paper
Students explore matter through the concept of displacement. They perforrm an inquiry experiment with a glass, paper and a bucket to demonstrate that gases take up space.
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Indicator Sponge A Discrepant Event Demonstration
Students explore the use of acid and base pH indicators. The teacher saturates an indicator sponge with congo red solution. Afterwards, the sponge is placed in a blue base solution. Students observe that the blue sponge actually turns...
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Making Soap
Learners explore what chemical indicators are and use pH paper to determine if something is alkaline or basic. In this pH lesson plan students manufacture their own soap.
TryEngineering
How the Rubber Meets the Road
Young scholars design their own tire tread pattern that meets a certain requirement. For this technology lesson, students explore how engineers develop tire treads. They evaluate their own work and share their product with the class.
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Yeast Experiments
In this science worksheet, students explore two experiments involving yeast. Students discover that yeast grows faster at room temperature than at hot or cold temperatures.
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How Big is a Molecule?
Students calculate the size of a molecule. For 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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Lab Management - Level II
Students who know what lab procedures are expected will work more effectively and be more successful during their lab experiences. See Preface Materials: Students decide upon lab partners and sign their names for each unit. Hand each...
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Experiment on Measuring Reaction Rates
Students 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...
Creative Chemistry
Making Soap
In this soap instructional activity, students produce soap in the laboratory and test their product by using it to wash away engine oil. Students answer four questions about tests they perform on their soap.
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Microbes and Health
Learners participate in activities that show them how tiny germs are spread. In this germs lesson plan, students engage in hands on lessons to show them how microorganisms can easily spread disease through the mouth and hands.
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Using Bubbles to Learn about Light Interference
Students explain the wave properties of light.
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Using Bubbles to Learn about Light Interference
Students explore constructive interference and destructive interference. In this light travel activity, students follow procedures to discover how light waves travel and experience interference.
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How Much Energy is Stored in Wood?
In this energy instructional activity, students create calorimeters out of soda cans and use them to calculate the amount of energy stored in different types of wood.
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The Boat Problem
In this math worksheet, students are given a riddle related to weight and the limit a row boat can carry. This worksheet can be used as a warm up activity or end of class activity.
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Crystallization
Eighth graders analyze physical change in mass. In this chemistry lesson, 8th graders describe, measure and calculate the amount of physical change occurring in mass before and after the change. Students should be familiar with elements,...
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Conditions at Sea Introductory Activity, Making Waves
Students explore waves and wind. In this physical and earth science wave activity, students participate in a wave making activity with an aquarium and a hair dryer. Students complete a data chart recording wave height and related...
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Relationships and Biodiversity Lab
In this relationships and biodiversity worksheet, students investigate the relationships between 4 plants sample using 7 different tests. These include looking at structural characteristics of the plants, seeds and stems, using paper...
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Sounds Good to Me
Young scholars determine density and hardness of wood samples based on several investigations. In this physical science and music lesson, students visit four centers and perform tests on wood samples to determine densities and...
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pH Basics
At some point, all science learners experiment with pH. In this brief instructional activity, they simply use pH strips or a meter to find the pH of six different solutions. A useful worksheet that displays a data chart is included for...
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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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