Curated OER
Reaction Rates
In this chemical reactions worksheet, students explain why certain reactions take place slowly or quickly. Students calculate the rate of consumption for given reactions. This worksheet has 14 problems to solve.
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Solutions
In this solutions worksheet, students calculate molality and mole fraction. Students define colligative property and determine what affects the solubility of gas in solvents. This worksheet has 2 short answer questions and 9 problems to...
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The Blast Furnace
In this chemical reactions worksheet, learners practice writing chemical formulas, word equations, and symbol equations. Students identify the types of reactions. This worksheet has 7 problems to solve.
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Limestone
In this limestone instructional activity, students name three sources of calcium carbonate, write the chemical formula, and determine the three elements found in calcium carbonate. This instructional activity has 7 short answer and 3...
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Ice Ice Baby! The Design and Preparation of A Reusable Ice Pack
Students explore polymers by designing and preparing an inexpensive and effective reusable ice pack. They develop and test a design for a reusable ice pack in the science lab. Students apply chemical and physical properties of polymers...
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Changes In Matter, "The Big Chill"
Third graders investigate why ice cream does not go through any chemical changes when it is exposed to physical changes. They describe the three states of matter in either written or verbal form. Then students experiment with ice cream...
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Acids, Bases and Salts
Students explore acids, bases and salts. They define acid and base. Students describe the characteristics and properties of acids and bases. They relate the processes of ionization and dissociation to the formation of acids and bases.
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Acid Rain Simulation
Students collect data on causes of Acid Rain. In this science lesson, students simulate the effects that produce acid rain, collect and analyze data from their samples. They relate science and statistics in this lesson.
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Thermochemistry Calculations
In this chemistry worksheet, students apply reaction equation ratios to solve fifteen problems, including five using a specific formula provided on the worksheet.
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Charles’s Law
Students describe the relationship between temperature and volume. In this chemistry lesson, students perform an experiment and record their their results. They use Charles' law to explain their observations.
Kenan Fellows
What Element Would You Be?
Primo Levi wrote a collection of short stories comparing his life from Italy to Auschwitz to elements in the periodic table. Pupils read an excerpt from his book and research the characteristics of various elements. Then, they make a...
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Conversion Factors
In this conversion factors worksheet, students convert 15 measurements from one unit in the SI system of measurement to another unit. Students show their work and indicate the unit of measurement. Conversion factors are given.
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Using Percentage in Compound Composition
In this percent composition worksheet, students find the percent of each type of atom in a compound, they find the total mass of a sample and they determine the mass of particular atoms in a compound.
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Six Pack Loop Rings Photodegradable?
Students review experiments testing the photo degradability of the six-pack plastic ring and complete further experiments on the process.
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Water: Friend and Foe
Students brainstorm ways to prevent fires from home. In this technology lesson, students create fire-safety posters for their school. They research the internet and explore other resources to get information for the poster.
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Rounding Practice
In this rounding off practice, students determine the proper number of significant figures in numbers, in calculations of addition, subtraction and multiplication.
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Which Brand of Air Freshener is Most Cost Effective?
Students use scientific method to determine cost-effectiveness of air freshener, and create PowerPoint presentations to share their results.
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Curds and Whey
For this chemical reaction worksheet, students investigate the reaction that makes curds and whey. They mix milk and vinegar and run it through cheesecloth to collect the solid. Students make observations, read about curds and whey, and...
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Observing and Identifying Matter
In this observing and identifying matter worksheet, students use a cookie in a bag and list 10 different descriptions of the cookie. They draw and label their cookie and given the cookie in the bag to their teacher who mixes all the...
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Changing Sugar
In this chemical and physical change worksheet, students use a sugar cube and observe its physical properties both when it is whole and after it is crushed. They heat the sugar cube and record 5 properties of the matter while being...
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Making Models of Atoms and Isotopes
For this models of atoms and isotopes worksheet, students use marshmallow of different colors to represent the protons, neutrons and electrons in an atom. Students make models of the 3 isotopes of hydrogen. They draw a diagram of each...
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Drinking Water
In this drinking water worksheet, students complete a crossword puzzle given 23 clues about drinking water purification, water content, contaminants, and softeners.
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Reaction of Substituted Benzene
In this reactions of substituted benzene worksheet, students write the products for 15 reactions using structural formulas. If the reaction does not occur, they write N.R.
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Reactions of Benzene
In this reactions of benzene worksheet, students write the structural products for 8 reactions. If the reaction does not occur, students write N.R.