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Thomas Jefferson - Author of The...

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Language and Creativity
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Women's History Activator: Eleanor Roosevelt
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Science 4 Inquiry: Middle School Physical Science Lessons
The 10 lessons in the Science 4 Inquiry collection introduce middle schoolers to Physical Science. Scholars watch videos, design experiments, and play interactive games to understand the elements of physical science. They create a...
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Ricochet Science: Biology 101 - The Chemical Basis of Life
Introduce young biologists to basic chemistry concepts with a series of eight informative videos covering the structure of an atom, properties of water, acids, bases and pH, electronegativity, polar bonds, and hydrogen bonds, isotopes,...
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Mysteries of the Periodic Table
Matter matters. A series of five videos explores the mysteries of the Periodic Table. Viewers learn about the properties of atoms and subatomic particles and how they relate to the arrangement of the Periodic Table. Another video...
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Into the Atom
A series of four videos explores the atom. Viewers learn about how Madam Curie discovered the elements Plutonium and Radium, the history of the science that led to the discovery of the parts of the atom, and the process scientists used...
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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 5 - The Water Molecule and Dissolving
Through demonstrations, hands-on activities, and discussions, young chemists explore water molecules and their polar characteristics. Groups design and carry out their own experiments to examine solubility, determine if the type of...
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Middle School Chemistry: Chapter 4 - The Periodic Table and Bonding
The Periodic Table and Bonding are the topics of the fourth chapter in the middle school chemistry unit. Class members demonstrate their understanding of how atoms form covalent bonds by drawing the bonds between given molecules. Also,...
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Middle School Chemistry: Chapter 3 - Density
Chapter three in the middle school chemistry unit explores the relationship between volume and density. Young chemists conduct experiments to find volume through displacement, observe how temperature affects water density, and how the...
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Middle School Chemistry: Chapter 2 - Changes of State
The second module in the middle school chemistry unit looks at changes in the states of matter. Middle schoolers observe heat transfer, build molecular models of water from Styrofoam, conduct controlled experiments with condensation and...
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Middle School Chemistry: Chapter 1 - Solids, Liquids, and Gases
The five lessons in the first module of the Middle School Chemistry unit focuses on solids, liquids, and gases. Young chemists use science to explain what appears to be magic tricks, build thermometers, study the impact of temperature on...
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Mixtures and Solutions
Engineers must consider the properties of matter when designing new things like synthetic materials, medicines, cleaning solutions, devices, and structures. To prepare for this new world, brave young engineers examine the fundamentals of...
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Polymers: Instant Snow
Is it easy to make snow? Scholars use critical thinking skills as they investigate the concept of polymers by making snow. The class tests several different variables and takes measurements over the course of several days. They then...
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A Visible Activated Complex Experiment
When was the last time your class saw a catalyst in action? Chemistry scholars observe an activated complex during an engaging experiment. Through both color change and evolution of a gas, individuals gain insight into the...
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Heat Transfer and Cooling
Astronauts train underwater to simulate the change in gravity. An out-of-this-world unit includes three hands-on activities, one teacher demonstration, and a discussion related to some of the challenges astronauts face. Scholars apply...
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Thermodynamics—Teacher Guide
I'm so cool! No, you're exothermic. This thermodynamics lab unit includes an introduction, teacher demonstrations, six labs that students rotate through each class day, homework assignments, application of knowledge, and assessments....
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Can Gases Dissolve in Water?
Why does soda fizz when opened? Learners discuss the appearance of bubbles in soda bottles when opened. In groups, they design and complete an experiment comparing the amount of carbon dioxide dissolving in cold versus hot liquids.
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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...