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Digestive System Quiz
In this digestive system activity, students answer 9 questions, 2 of which are multiple choice and 7 are short answer. Included are questions about the process of digestion and the structures of the digestive system.
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Thermodynamics
For this thermodynamics worksheet, students calculate the enthalpy change and free energy change for given reactions. students describe what happens to the entropy of a system and describe how its enthalpy changes. This worksheet has 20...
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Classification of Changes
In this classification of changes worksheet, students identify each example as either chemical or physical changes. Students also classify other examples as either element, compound, solution, colloid, or suspensions. In the other...
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Solutions
In this solutions instructional activity, students calculate molality and mole fraction. Students define colligative property and determine what affects the solubility of gas in solvents. This instructional activity has 2 short answer...
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Other Aspects of Aqueous Equilibria
In this aqueous equilbria worksheet, students write the solubility product expressions for the given salts. Students determine what affects the solubility of salts. Students calculate the pH of a buffer solution. This worksheet has 14...
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Acids and Bases Worksheet
In this acids and bases worksheet, students determine the pH and pOH for a given solution. Students determine the conjugate acids for the given species. Students calculate which solution will have a higher pH. This worksheet has 16...
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Review Sheet for Matter Test
In this matter instructional activity, learners answer five questions about the law of conservation of mass. They identify substances as solids, liquids, gases or mixtures and they identify given items as matter or energy.
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Fossils
In this fossil worksheet, students match six terms with their definitions about types of fossils and they circle the proper term to make nine statements true about preservation of fossils.
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Magnesium: From Sea Water to Fireworks
In this magnesium worksheet, students read about how magnesium is extracted from sea water and the different uses of magnesium. Then students complete 4 short answer questions.
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Cell Cycle
For this cell cycle worksheet, 7th graders study the various images of the cell cycle. Students then label each picture with the correct cycle. Students then answer several questions about the cell cycle.
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Dilutions
In this dilutions worksheet, students determine the molarity of given solutions and calculate the volume necessary to dilute a solution to a specific molarity. This worksheet has 5 problems to solve.
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Properties of Ionic Compounds
In this compounds instructional activity, students describe why metals and nonmetals form ionic compounds and why the formation of ionic compounds are exothermic. This instructional activity has 5 short answer questions.
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Physical vs. Chemical
In this physical vs. chemical change activity, students answer 10 questions about identifying chemical and physical changes. They identify exothermic and endothermic reactions and the parts of a chemical equation. Students answer 1...
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Nutrition
Students learn about good nutrition. In this biology lesson plan, students test samples of food to find out if they contain fat, test fruit juices for vitamin C and compare the vitamin C content of the juices, calculate the number of...
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Heat Loss and Gain in Physical Changes and Chemical Reactions
Students measure the heat of physical and chemical changes in reactions. In this chemistry lesson students determine at what extent changes emit or absorb heat.
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Buffers
In this buffers worksheet, students identify the systems that could function as a buffer solution. Students determine the pH of a solution and the pH of the buffer. This worksheet has 6 problems to solve.
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Water - The Transporter
Students discuss the role of water in transporting sediments and dissolved particles. In this interdisciplinary instructional activity, students read about how water transports sediments and changes the landscape. They complete a...
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Chemical Equations
In this chemical equations worksheet, students are given the trends for the reactions between the alkaline earth metals with water, the solubility of the Group II hydroxides and the solubility of the Group II sulphates.
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Human Body Explorations
Students examine genetics and the DNA of a kiwi. In this DNA lesson students complete a lab to extract DNA and interpret their results.
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Surface Area to Volume Ratio
Students examine the surface area to volume ratio and how they relate. In this surface area lesson students complete several activities.
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pH: Acids and Bases
For this scientific investigation worksheet, students follow the provided procedures to examine the pH levels of acid and bases and then respond to 1 short answer question.
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Ocean Exploration: Dentists of the Sea!
Students watch videos about unusual fish behavior and write to marine scientists about the proper care of fish. In this fish lesson plan, students watch the videos on how to properly transfer fish to saltwater, and they do so in an...
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Acid-Base Titrations without Burets
Students analyze the level of acid and base in a titration. In this chemistry activity, students investigate the amount of acid and base required to create certain household chemicals. They perform this activity without the use of burets.
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Water Words Puzzle
In this water worksheet, students fill in the blanks to a crossword puzzle having to do with water words. Students complete 25 blanks in the crossword.