Curated OER
Periods and Groups; Valence Electrons; Masses
In this periods, groups, valence electrons and masses worksheet, students are given information about all these components of the periodic table. Students identify 4 elements in specific periods and groups, they find the valence...
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Chemical Reaction Rates
Students observe demonstrations to show factors that affect rates of chemical reactions. In this rates of chemical reactions lesson, students investigate how catalysts, reactant concentrations, temperature and surface area affect the...
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The Moon's Atmosphere
In this moon's atmosphere activity, students read about the tenuous lunar atmosphere and solve 4 problems. They find the density of helium particles, they find the grams of given atoms in the moon's atmosphere and they find the volume...
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Exponential Problems
In this algebra worksheet, students solve exponential problems by rewriting it in standard form. They rewrite number using scientific notations and solve word problems. There are 10 problems with and answer key.
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Acids and Bases
In this acids and bases worksheet, students complete 32 fill in the blank and short answer questions on acidity or alkalinity. They color molecular diagram according to the key.
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Surface Water and Groundwater
Students examine distribution of water and minerals. In this surface and groundwater lesson, students conduct an experiment with fresh and salt water making hypothesis and drawing conclusions about minerals. 
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Stellar Evolution and the Fate of Earth
Eighth graders identify the different stages in the life cycle of a star. In this astronomy instructional activity, 8th graders read H-R diagrams and analyze data. The describe how the Sun's evolution will affect Earth in the future.
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Fizzies Virus
Students participate in a simulation activity about how disease spreads. They describe how disease spreads and trace a disease to the first infected person.
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Making Molecular Models
In these creative hands-on activities, learners construct several different molecular models that represent substances that play an essential role in our nutritional needs. Using gum drops and toothpicks, students design the models....
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The Nature of Chemical Change: Acting Out An Example
Young scholars illustrate the molecular nature of matter and show that chemical change involves alteration of molecules.
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Water Cycle Activity
Students build a model and  observe the cycle of evaporation and  condensation that occurs in the water cycle. They see how the water cycle works, such as  water condensing on the side of the jar  and drops precipitating into rain that...
Alabama Learning Exchange
Stars
Fourth graders examine the life cycle of a star while listening to Roy Gallent's, When the Sun Dies. They conduct Internet research and recreate a star's life cycle after viewing an animation.
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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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States of Matter
In this science worksheet, students use basic scientific concepts to complete the series of puzzles that are intended to increase science literacy about the three states of matter through identifying the solid, liquid, or gas.
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Photosynthesis
In this photosynthesis worksheet, students complete 20 various types of questions related to photosynthesis. First, they match each description in the first column with the correct vocabulary term in the second. Then, students explain...
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Get the Big Picture
In this atom, element, and atom worksheet, students will read descriptions of each and then use this information to fill in the blanks of 4 questions.
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Acids and Bases
In this acids and bases worksheet, students conduct an experiment to determine if solutions are electrolytic or nonelectrolytic. After completing the experiment, students answer 1 short answer question.
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Surface Area of a Leaf (Grades 7-9)
In this math and science learning exercise, students read about the process of photosynthesis and plant growth. They determine how a plant's ability to create food is dependent on the surface area of its leaves using geometric...
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Oxidation/Reduction Reactions
In this chemical reactions worksheet, students review the oxidation number rules and then assign oxidation numbers to atoms in given compounds. Students identify the reducing agent and the oxidizing agent in reactions. Students practice...
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Water - the (Nearly) Universal Solvent
For this water worksheet, students explore the reasons why water is considered a universal solvent. Students compare different ways to change the dissolving rate of a solute. This worksheet has 11 fill in the blank and 8 matching questions.
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Metals vs. Non-Metals
In this elements worksheet, high schoolers compare and contrast the characteristics of metals and non-metals. Students practice drawing Lewis dot diagrams and writing ion notation. This worksheet has 9 word problems, 8 matching...
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Chemical Bonding
Students classify compounds as ionic or covalent. For this chemical bonding lesson plan, students experiment with 6 chemical compounds. They test physical properties such as the melting point, the solubility and the electrical...
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Understanding the Mole
Learners develop an understanding of the mole and molar masses of elements. For this mole lesson plan, students use beans to find their relative masses and draw parallels to the atomic masses of elements. Learners work in teams and each...
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Naming Covalent Compounds Worksheet
For this chemical compounds worksheet, students write the formulas for the given covalent compounds and then write the names for the chemical formulas given. This worksheet has 16 problems to solve.
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