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What is a Watershed?

For Teachers 6th - 12th
Students create a classroom size model of a landscape to define the concept of a river watersheds. They spread crumbled newspapers around the floor to simulate different elevations then cover the whole landscape with a sheet. They pour...
Lesson Plan
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Where in the World is Carbon Dixoide?

For Teachers 6th - 10th
Students conduct experiments designed to detect the presence of CO2 by using a BTB that changes color (blue to yellow) in the presence of CO2. First, students experiment with the CO2 from combining vinegar and baking soda. In part two,...
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Water Filtration

For Teachers 4th - 8th
Students explore, analyze, study and demonstrate the procedures that municipal water plants may use to purify water for drinking. They cover the clean water processes of aeration, coagulation, sedimentation, filtration and disinfection.
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Hands-on Cells

For Teachers 6th - 8th
Students review the components of a cell and the differences between plant and animal cells by creating a three-dimensional model of each type of cell. In small groups, they use modeling clay and household object to construct their models.
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Nanofibers on Your Clothes

For Teachers 9th - 12th
Students relate the presence of nanofibers in clothing to its ability to repel stains. They observe and contrast the characteristics of nanofiber, Scotchguard treated, and regular fabric then test the stain resistance of each fabric...
Worksheet
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Chemical Formula Writing Worksheet

For Students 9th - 12th
In this chemistry learning exercise, students practice forming the correct chemical equations for the twelve problems presented. The second page has the answers.
Worksheet
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Introduction to Bonding

For Students 9th - 12th
In this chemistry worksheet, students create new and true statements while replacing false ones in order to properly define parts of the concept of bonding.
Worksheet
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50 Common Elements

For Students 9th - 12th
In this chemistry worksheet, students can read the fifty common elements as a resource for abbreviations and names of them. This is an information sheet.
Worksheet
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In The Quest For Sustainable Stuff

For Students 6th - 8th
In this environment worksheet, learners read nine pages about recycling and focus upon how products can be produced to help save the environment.
Worksheet
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Earth Day, Every Day

For Students 2nd - 3rd
In this Earth Day reading comprehension worksheet, students read a one page article about recycling. Students then complete 4 multiple choice questions about the story and do 3 matching problems with the vocabulary.
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Welding Terms

For Students 6th - 8th
In this literacy worksheet, students find the vocabulary terms that describe welding and the answers are found by clicking the button at the bottom of the page.
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Solids

For Students 9th - Higher Ed
In this solids worksheet, students review terms associated with solid matter including, freezing and melting point, viscosity, and Brownian motion. This worksheet has 1 short answer and 14 matching questions.
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Resources

For Students 7th - 12th
In this resources worksheet, students review renewable and nonrenewable resources. Students also review how resources can be conserved. This worksheet has 7 terms in a crossword puzzle, 3 true or false, and 10 short answer questions.
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Structure of the Atom

For Students 9th - Higher Ed
In this atom worksheet, learners review the structure of an atom. Students also explore radioactive elements and quarks. This worksheet has 10 fill in the blank, 6 true or false, 1 short answer, and 3 multiple choice questions.
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Introduction to Electricity

For Students 12th - Higher Ed
In this introduction to electricity worksheet, students define several key terms related to electricity. Students list examples of conductors and insulators in a chart. Students create insulators using given materials and describe the...
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Review for Chemistry

For Students 8th - 11th
In this review for chemistry worksheet, students decide if given statements are true or false. Students relate information learned about introductory knowledge gained in chemistry to accurately answer the given questions.
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Worksheet 34 - Fall 1995

For Students 11th - Higher Ed
In this math worksheet, students sketch the finite area whose boundary is composed of pieces of the curves x =1− y 4 and x = y2 − 1.
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Moles, Stoichiometry, and Concentration

For Students 10th - Higher Ed
In this stoichiometry worksheet, students practice calculating moles, molar mass, and percentage composition of given compounds. This worksheet has 55 problems to solve.
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Displacement Reactions and Acid/Base Reactions

For Students 10th - Higher Ed
For this chemical reactions worksheet, students review the solubility rules for common salts. Students determine the molecular equation, ionic equation, and net ionic equation for specific reactions. Students calculate moles and volume...
Worksheet
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Mass-Mass Problems

For Students 10th - Higher Ed
In this chemical reactions worksheet, students calculate the grams of product from a given amount of reactants. This worksheet has 7 problems to solve.
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Molecular Mass

For Students 10th - Higher Ed
In this molecular mass worksheet, students use factor labeling to convert moles to grams or moles to atoms. Students calculate molecular mass. This worksheet has 6 problems to solve.
Worksheet
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Stoichiometry Practice Problems

For Students 10th - Higher Ed
In this stoichiometry instructional activity, students calculate the mass of product created from given chemical reaction equations. This instructional activity has 4 problems to solve.
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Solubility

For Teachers 10th - Higher Ed
In this solubility worksheet, students calculate the final concentrations of the ions involved in a chemical mixture. Students calculate the solubility of different compounds. This worksheet has 13 problems to solve.
Worksheet
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Some Common Chemical Reactions

For Students 10th - Higher Ed
In this chemical reactions instructional activity, students compare and contrast corrosion and combustion reactions. This instructional activity has 15 short answer questions.

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