Curated OER
The Ties that Bind
In this bonding worksheet, students read about the types of bonds that hold compounds together. They are given fifteen common materials and they identify the types of bonds that hold each together.
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Chapter 3 Worksheet Matter
In this matter worksheet, students answer ten questions about matter including the phase of matter, mixtures and how they are different from compounds, the physical and chemical properties of matter and the difference between homogeneous...
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Compounds and Molecules
In this compounds worksheet, high schoolers compare separating elements of a compound and substances in a mixture. Students review melting and boiling point. This worksheet has 1 fill in the blank and 5 short answer questions.
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Chapter 16 Review- General Science
In this review of general science learning exercise, students classify examples of matter as mixtures or substances, homogeneous or heterogeneous mixtures, or elements or compounds. Students also convert several examples using the...
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Solubility
In this solubility worksheet, pupils 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.
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Hydrocarbons
In this chemistry worksheet, students use the clues given at the bottom of the sheet to complete the crossword puzzle on hydrocarbons. There are 17 statements to solve and fill in on the puzzle.
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Phase Changes
In this science worksheet, students examine the physical changes associated with the change of temperature and mixtures. The answers are included.
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Dimensional Analysis Worksheet
For this dimensional analysis worksheet, students solve six word problems using dimensional analysis to solve for an unknown. These include finding density, and converting from one unit to another. They also categorize samples as...
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Sample Midyear Examination (Chemistry and Biology)
A 12-page midterm exam sample can be given to young scientists in preparation for an exam. This particular installment is geared toward a class that delves into both ecology and chemistry concepts. There is no way to separate the 50...
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Classification of Matter
In this classification of matter worksheet, students answer 5 questions about the composition of matter, solutions, colloids and suspensions, and the properties and changes of matter.
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Leaf Chromatography
For this leaf chromatography worksheet, students separate the pigments of a leaf using paper chromatography. They answer 4 questions about their results and draw the colors they observe on their chromatogram from the leaf.
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Classification of Matter
In this matter learning exercise, students compare the different types of matter, including the states of matter. Students review the metric system. This learning exercise has 12 matching, 18 fill in the blank, and 4 short answer questions.
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WS 8.7 Solutions, Colloids and Suspensions
In this solutions, suspensions and colloids worksheet, students use diagrams to show how particles are different in each of these mixtures. They also distinguish between characteristics of each of these types of mixtures and categorize...
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WS 8.4 Percentage Problems
In this percentage instructional activity, students calculate percentages given various types of problems. They calculate percent of compounds in a solution, they calculate mass of compounds given percentages of solutions, and they...
National Institute of Open Schooling
Occurrence and Extraction of Metals
Steel is a man-made alloy or a mixture of metals. Lesson 18 in this series of 36 focuses on metals and their extraction from Earth. Individuals read about, discuss, and answer questions after learning how people find most metals, the...
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The Structure of Matter
In this matter worksheet, students compare and contrast chemical and physical properties and explain the relationship between a pure substance and a mixture. Students review the properties of metals and nonmetals. This worksheet has 1...
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Water
In this water instructional activity, students compare and contrast elements and compounds. Students define chemical symbols, chemical formulas, and chemical properties. This instructional activity has 19 short answer questions.
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Earth and Beyond
In this earth and beyond worksheet, students answer short answer questions about the atmosphere, the chemical compounds in Earth's atmosphere. Students visit different websites to conduct research of the discoveries of the scientist who...
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Chemistry
In this chemistry worksheet, students describe an atom, its parts, the charges of these parts, and atoms life functions. Then they explain what the octet rule states for the placements of electrons around the nucleus of an atom. Students...
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Chemical Reactions at Equilibrium
In this chemical reactions worksheet, students calculate the value for the equilibrium constant and the equilibrium concentrations for specific reactions. This worksheet has 6 word problems.
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Combination of Atoms
In this atoms worksheet, learners review protons, neutrons, electrons, molecules, compounds, and ions. This worksheet has 10 fill in the blank and 3 problems to solve.
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Stereochemistry Practice Sheet
In this stereochemistry practice sheet, students answer eight questions about organic molecules. They define terms, the identify optically active compounds given pictures of molecules, they assign stereocenters to drawn diagrams, and...
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Chemistry in Action
In this chemistry in action instructional activity, students read about sulphuric acid, the use of metals, the production of titanium and the detection of chemical elements and compounds. Students are given 8 statements about what they...
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Chemical Equilibria
In this equilibria worksheet, students are given detailed information about LeChatelier's principle and how to solve equilibrium problems. They then calculate concentrations of compounds in solutions.
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