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Language and Creativity
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Women's History Activator: Eleanor Roosevelt

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Thomas Jefferson - Author of The...
Other Resource Types ( 44 )
Lesson Planet
American Chemical Society: Middle School Chemistry
Introduce middle schoolers to the basic principles of chemistry with a curriculum set packed with activities and experiments that let learners explore the attractions and motion of atoms and molecules, the state changes of water,...
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Middle School Chemistry: Chapter 6 - Chemical Change
Catalysts, reactants, or products? The final unit in the middle school chemistry module examines chemical changes. Tweens perform experiments to determine what factors impact the rate of chemical reactions, study energy changes, both...
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Chemistry with a Conscience
Green chemistry and sustainability are the focus of a unit module that asks young scientists to use the Twelve Principles of Green Chemistry to assess how green a product’s chemicals, reactions, or processes are. Class members engage in...
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Up, Up and Away! - Airplanes
Oh, if only Sir Isaac and Bernoulli could see us now. Even Orville and Wilbur would be amazed by what engineers have designed using their ideas. Next generation engineers put these principles to use as they use what they learn about...
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Carbon Dioxide Can Make a Solution Acidic
Can your breath change the acidity in a liquid? A lesson begins with a demonstration that proves it can. Then scholars perform an experiment to determine if other gases can change the pH of liquids. Finally, they research how this...
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Neutralizing Acids and Bases
Most things naturally strive for balance, and acids and bases are no exception. Neutralization of acids and bases allows scholars to explore the color changes associated with the pH scale. After this exploration, pupils neutralize two...
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pH and Color Change
Did you know strong bases can feel slippery and slimy? Lesson allows scholars to practice using the pH scale to identify acids and bases and their strengths. By changing the concentration of an acid and a base, they create the entire...
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Using Chemical Change to Identify an Unknown
If you discover an unknown powder, how do you determine if it is safe? Lesson uses four different tests to identify the properties of various powders that appear the same. Then scholars get an unknown powder and have to determine which...
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A Catalyst and the Rate of Reaction
More than 90 percent of chemical products are made using a catalyst. Lesson demonstrates the way a catalyst changes the rate of reaction without altering the chemical reaction. A catalyst doesn't appear as a reactant or a product, yet it...
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Temperature and the Rate of a Chemical Reaction
Putting glow sticks in the freezer makes them last longer, but why is that? Lesson focuses on how temperature impacts the rate of a chemical reaction. It begins with a teacher demonstration, then scholars design their own experiments...
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Forming a Precipitate
Can you mix two liquids to make a solid that is insoluble? Yes, you can, and pupils see this as the lesson uses more than one combination of liquids to form a solid. Through two teacher demonstrations and a hands-on activity, scholars...
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Controlling the Amount of Products in a Chemical Reaction
Everyone enjoys combining baking soda and water. Here is a lesson that challenges scholars to analyze the reaction three different ways — the real substances, the chemical equation, and the molecular models. Class members experiment to...
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If Molecules Were People...
By watching this droll and delightful animation, physical scientists consider what happens when molecules collide. In this film, however, parodic people bump into each other, exchanging limbs in the process, just as molecules might trade...
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Next Generation Science Standards
Are you having trouble deciphering the Next Generation Science Standards on the website, or just trying to find the standards for your grade in a quick-and-easy format? If so, here is a free and easy-to-navigate app made with you in mind.
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Get Fired Up
New ReviewGive them permission to burn. Using a tea candle, pairs find out how long the flame will continue to burn while covered by a small glass. Using that information, groups estimate how long the candle will burn under a larger drinking glass...
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CK-12 Earth Science Concepts for Middle School
Explore a variety of science concepts in an interactive textbook created for middle school scholars. A lengthy table of contents takes readers to pages comprised of a subject overview, outline, and summary. Follow links further to find...
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By All Indications
How do people determine if something is acidic or basic? Learners make their own acid-base indicators using red cabbage and then determine the acidity and alkalinity of different substances. First, they test substances of known pH and...
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Lactose Intolerance: Fact or Fiction
Around the world, about 2/3 of adult humans are lactose intolerant. Scholars work in small groups to discuss a few statements about lactose intolerance. Then, they watch a video on the topic and readdress each statement. Whole-class...
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Kinetics of the Acid Decomposition of Thiosulfate
Several factors affect the rate of a chemical reaction including temperature, surface area, and concentration. Using an experimental approach, learners explore the effect concentration has on this rate while maintaining consistency with...
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Mass Changes in Chemical Reactions—Microscale Chemistry
What better way is there to introduce conservation of mass than a few simple experiments? Young chemists conduct two chemical reactions, take the masses of reactants and products, then compare their results to determine differences in...
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The Heat Is On
Explore an exothermic reaction with a quick lab investigation. The activity builds on the previous lessons by examining an ingredient in many shampoos. Scholars record temperature data as sodium hydroxide and water interact.
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Cookie Equations
Cookies and chemical equations have a lot in common! Using cookies as a reference, scholars learn to balance chemical equations. Pieces of the cookies represent different parts of the compounds and elements. This is the sixth installment...
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Molecules to the Max!—Educators Resource Guide
From molecules to nanotubes, an engaging unit explores the world of tiny science. Fifteen hands-on experiments and lessons engage young scientists as they learn chemistry. Discussions, worksheets, and data analysis reinforce the concepts...
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What Is a Chemical Reaction?
Take your class inside a beaker for an up-close view of a chemical reaction! Junior chemists examine how chemical reactions occur using an interactive resource. The activity allows users to change the temperature and observe how it...