Curated OER
Chemical Reactions
In this chemical reactions worksheet, students compare endothermic and exothermic reactions, closed and open systems, and reactants and products. Students review physical and chemical changes and how to balance equations. This worksheet...
Curated OER
Chemical Reactions
In this chemical reaction worksheet, students investigate the results of mixing calcium chloride with sodium bicarbonate. They observe the chemical and physical changes that occur, identify the properties of the chemical before and after...
Curated OER
Follow Up Questions Lab 1-Chemical Reactions
In this chemical reactions learning exercise, students answer follow up questions to a lab where they were observing chemical changes in reactions after mixing products such as hydrochloric acid and sodium bicarbonate. They answer six...
Curated OER
Rusting, Burning and Oxygen
For this rusting, burning and oxygen worksheet, students read about chemical reactions and are given diagrams of a rusting bicycle, a burning candle, and a variety of chemical changes. Students make observations and explain the chemical...
Chymist
Writing Chemical Equations
Communicate chemistry clearly with a concise guide to writing chemical equations. It covers everything from the parts of a chemical equation to the different types of reactions that budding chemists may encounter.
It's About Time
Chemical Names and Formulas
Abracadabra! Provide your class with the tools to perform a chemical "magic show" as they predict the charges of various ions, determine ionic compound formulas, and make observations to determine when a chemical reaction between...
National Institute of Open Schooling
Chemical Kinetics
Not all chemical reactions happen at the same rate because some, like explosions, occur quickly and some, like rusting, occur over time. Here, learners explore chemical reactions and their rates in the 16th lesson of 36. Through readings...
Curated OER
2002 U.S. National Chemistry Olympiad National Exam - Part I
As to be expected from the American Chemical Society Olympiad Examinations Task Force, this 60-question test tops the charts in terms of excellence. It consists entirely of multiple choice questions designed to assess a year's worth of...
Curated OER
Understanding Chemical Equations
In this chemical equations worksheet, students identify the reactants and the products, state what phase each is in, and state the mole ratios of all the products and reactants. Students complete 10 problems.
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Metals and Non-Metals
A table of the physical properties of metals and non-metals opens this high-school chemistry handout. Also covered are the chemical properties of metals and non-metals, reactivity, and fossil fuels. There are no specific questions to...
Curated OER
Chemistry Basics Practice Exam
In this chemistry practice instructional activity, students solve sixteen problems including identifying chemical and physical changes, calculating numbers with significant figures, naming compounds and writing formulas and converting...
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Describing Chemical Reactions
For this chemical reactions worksheet, learners fill in 12 blanks with the appropriate terms related to chemical reactions. They also indicate if 4 statements are true or false and match 7 words with their descriptions. Students complete...
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PhysioEx: Chemical and Physical Processes of Digestion
In this anatomy worksheet, students complete 22 review questions in the format of short answer, table completion, and fill in the blank after finishing an online virtual experiment about the chemical and physical processes of digestion.
Royal Society of Chemistry
Acids and Bases—Microscale Chemistry
Here's proof that small-scale labs lead to big-time learning. Introduce acid-base interactions to middle school scientists through a microscale chemistry lab. Pupils combine a variety of solutions and use indicators to obtain approximate...
Curated OER
WS 10.3 Isomers
In this isomer worksheet, students draw as many different isomers for thirty given molecules and indicate how many isomers are possible.
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Elements, Compounds, and Mixtures
For this matter worksheet, students review the three forms of matter by reading a poem and completing 1 matching and 5 short answer questions.
Curated OER
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.
University of Georgia
Antacid and Uncle Heartburn
Household materials can be used for more than cleaning! In this collaborative experiment, emerging chemists use products such as vinegar and liquid antacid to explore chemical reactions that commonly occur in the human body.
Curated OER
WS 10.2 Chemical Bonding in Alkanes
In this bonding worksheet, students write the chemical formula, the name of the alkane, the structural formula and the condensed formula given the number of carbon atoms in each alkane.
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Chemical Equilibrium
In this chemical equilibrium worksheet, learners review hydration, dissociation, and colligative properties. Students also review Le Chatelier's principle. This worksheet has 15 short answer questions and 12 problems to solve.
Curated OER
Endothermic or Exothermic Reactions
In this chemical reaction worksheet, students determine if given reactions are endothermic or exothermic reactions. Students determine the energy released or consumed when chemical reactions occur. This worksheet has 5 problems to solve.
Curated OER
How Do Plants and Animals Change the Environment Around Them?
If you have elodea and snails in your classroom aquarium, or if you have access to a pond with these organisms, your young biologists can set up a controlled experiment to determine how certain ecosystems respond in light and dark...
Curated OER
Chemistry II Enthalpy Worksheet
In this enthalpy equation learning exercise, students are given 3 examples of chemical reactions. Students then respond to 4 practice problems and 1 challenge problem in regard to heat and energy change and release.
Curated OER
Chemistry Worksheet 6
In this chemistry worksheet, high schoolers calculate specific changes that take place with different chemical reactions. Students indicate whether the reactions are endothermic or exothermic and spontaneous or nonspontaneous.