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Natural Indicators: How Do They Work?
Students describe characteristics and common uses of acids and bases. They describe the role of natural indicators in the chemistry of acids and bases after testing and making observations on a variety of plant extracts. Students observe...
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Chemical Reactions
In this chemical reactions worksheet, students determine if solutions are acidic, basic, or neutral. Students give reactions' molecular equations and ionic equations. This worksheet has 14 problems to solve.
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Chemical Magic
Students identify acids and bases. In this chemistry lesson, students use red cabbage juice as an indicator of whether the liquid is an acid or base. Students discuss the results.
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Acid-Base Indicator Paper
Middle schoolers are able to prepare and use pH indicators in paper form. They find out the color of the indicator paper plus test solution may change with time. Students use red cabbage to use for the indicator.
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Gases and Chemical Reactions
In this chemical reactions worksheet, students calculate the volume or pressure for different gases. Students determine the effect of different stimuli on the rate of a chemical reaction. This worksheet has 1 short answer, 10 fill in the...
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Chemical Reactions Quiz Review Sheet
In this chemical reactions worksheet, students balance an equation, determine the type of reaction, and write the net ionic equation. This worksheet has 5 problems to solve.
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Chemical Reactions
In this chemical reactions worksheet, students determine what happens when specific stresses are applied to a reaction. Students calculate the equilibrium constant with respect to pressure. This worksheet has 20 problems to solve.
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Chemical Reactions
In this chemical reactions worksheet, students write chemical equations, draw and label isomers, and predict products of chemical reactions. This worksheet has 5 drawings, 1 short answer, and 7 fill in the blank questions.
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Chemical Equilibria
In this chemical reactions learning exercise, learners determine how mixtures shift toward reactants or products to reach equilibrium. For given reactions, students determine how concentrations will change when adding or removing gases...
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Chemical Reactions at Equilibrium
In this chemical reactions learning exercise, students calculate the value for the equilibrium constant and the equilibrium concentrations for specific reactions. This learning exercise has 6 word problems.
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Chemical Solutions
In this chemical solutions worksheet, Students determine the significance of the critical point in a phase diagram and rank solutions from weakest to strongest solute-solvent interaction. This worksheet has 4 problems to solve.
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Solubility and Chemical Changes in Groundwater
Students test pH of water before and after it travels through different substrates (igneous pebbles and limestone) to detemine how soluble materials can affect groundwater. They answer questions such as: What happended to the pH of the...
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Chemical Changes
Pupils explore chemical changes. in this lesson about the properties of chemical changes, students do experiments, observe, and record results. Pupils complete four experiments in order to observe chemical changes. In each experiment a...
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Physical and Chemical Changes
Learners differentiate physical and chemical changes. In this chemistry activity, students identify five indicators that a chemical change took place. They complete a reflection journal at the end of the activity.
Virginia Department of Education
The Law of Conservation of Matter
The Law of Conservation of Matter can be complex for young scientists to fully grasp. Use this experiment to help simplify the process as pupils perform two experiments to determine mass: one that melts a substance and the other that...
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Establishing a Baseline Ecology of a Creek Ecosystem
High schoolers investigate the physical, chemical and biological parameters necessary to establish an ecological baseline. Establishing an ecological baseline not only shows the ecological characteristics of a creek but makes the...
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pH and Red Cabbage Juice
Students review properties of materials and define what pH tells them about matter. In this pH levels lesson, students determine whether materials are acids or bases using indicator substances.
American Chemical Society
Comparing the Amount of Acid in Different Solutions
Upcoming chemists use chemical reactions to determine relative pH in two different acids. This is a terrific lesson for middle schoolers that can stand alone as a practice in precision and lab skills, or as part of the unit on chemical...
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Chemical Reactions
In this reactions worksheet, students state the differences between a coefficient and subscript and an exothermic and endothermic reaction. Students review the different types of reactions. This worksheet has 13 short answer questions.
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Making Soap
Students recognize and use chemical indicators in the lab, recognize the need for safety while doing chemical experiments and understand the need for following precise directions.
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How Do Toxins Affect the Human Body?
Students study toxins. For this biology lesson plan, students identify toxins contained within household products and determine specific affects that toxins may have on the human body.
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EarthTrek Gravestone Project
Students explore the effects of acid rain. In this acid rain lesson, students investigate the effects of the weathering from acid rain in different places. Students visit cemetaries to collect data about the effects of acid rain on the...
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The Blue Bottle: An Example of Teacher-Guided Inquiry
Young scholars observe a demonstration in which a bottle containing a colorless solution is mixed, turns blue, then becomes colorless again. They record observations, form and discuss hypotheses, and draw a conclusion based on the evidence.
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Final Worksheet
Learners will review a semesters worth of material on this final chemistry review. Information ranges from naming isotopes to pH and molarity.