Curated OER
Patterns in Properties (of elements and compounds)
In this element properties learning exercise, students complete a crossword puzzle with 91 questions related to properties of elements and compounds.
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Sinkholes in a Cup
Students create sinkholes and learn about the formation of sinkholes by using water, a foam cup, sugar, sand, and a sponge. For this sinkholes lesson plan, students also answer short answer questions.
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Acids and Bases
In this acids and bases worksheet, students complete 32 fill in the blank and short answer questions on acidity or alkalinity. They color molecular diagram according to the key.
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Antarctica: Effects of Salinity on Icebergs
Students investigate the effects of salinity on icebergs. In this hands on lesson, students design and conduct an investigation into how the amount of salt in ice affects its buoyancy.
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Chemical Reactions
In this chemical reactions worksheet, students solve 16 exercises by writing and balancing chemical reactions. They calculate the concentration of various solutions.
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Make Slime
Students make slime. In this chemical reaction activity, student use Borax to make a gel like solution. Students add all ingredients listed, add food coloring, and mix well. Students see first hand how chemicals react together and...
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Crazy Chemistry Lesson Plan
Students study water molecules, cohesion and surface tension. In this molecule cohesion lesson plan students create chemical reactions that cause a balloon to inflate and another one that results in soap suds.
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DNA Extraction From Onion
Learners extract DNA from an onion using household equipment and supplies.
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The Effects of Temperature on Chemical Mixtures
Students explore chemical cahnges and the effect of temperature on chemical mixturees, They make observations of the behavior and appearance of certain chemical mixtures and reactions.
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Physical vs. Chemical Changes
In this chemical reactions activity, students read about the differences between physical and chemical changes in substances. Then kids identify situations as either an example of physical or chemical change. Students learn how to...
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Plant Parts
In this plant parts learning exercise, students read for information and demonstrate comprehension. In this true and false, fill in the blank, short answer, and multiple choice learning exercise, students answer ten questions.
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Chemistry Worksheet-Phase Changes
In this phase change worksheet, learners answer twenty questions about changes in energy to a system. They analyze phase diagrams, the determine the effects of changes in temperature on a system, they answer questions about miscibility,...
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Colligative Properties and Chemical Equilibria
In this colligative properties and chemical equilibria instructional activity, students answer twenty questions including ranking solutions base on their colligative properties and determining what must happen to a reaction to reach...
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Acid and Base Problems
In this acid and base activity, students use seven steps to calculate concentrations of ions in acidic and basic solutions. They also determine the type of acid or base.
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Structure of the Nephron
In this nephron learning exercise, students color the parts of the nephron and answer five questions about the structures and functions of the parts of the nephron.
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Integrating Chemistry-Chemical Reactions
For this chemical reactions worksheet, students read about different types of chemical reactions, potential and chemical energy. They answer three questions about their reading.
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Living Sources of Weathering
In this sources of weathering worksheet, students read about the various things that cause weathering including plants and animals. They answer four critical thinking questions about weathering.
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Physical vs. Chemical Changes and "The Code"
In this chemical and physical change instructional activity, students read about the differences between substances going through physical changes vs. chemical changes. They are given examples of each and evidence to look for in chemical...
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Covalent Compounds
In this covalent compounds worksheet, students answer 8 questions about bonding in covalent compounds, covalent bonds, and diatomic molecules. Students draw 2 dot diagrams showing covalent bonding. They answer 4 questions about bacteria...
Creative Chemistry
The Preparation of Teraamminecopper(II) Sulphate-1-Water
In this complex salt instructional activity, learners create teraamminecopper(II) sulfate · 1 · 2H₂O using copper(II) sulfate, concentrated ammonia, and ethanol. Students determine the formula mass for their product, the theoretical...
Creative Chemistry
Some Halogen Chemistry
In this halogen chemistry learning exercise, high schoolers complete a practical to gain experience observing inorganic halogens and their salts. They observe changes in each chemical reaction and write the chemical equation for each...
Creative Chemistry
Making Standard Solutions
In this worksheet for making standard solutions, learners read about making a standard solution and perform the three background calculations necessary to make one. Students then make a solution by weighing a given substance, adding it...
Creative Chemistry
Volumetric Analysis 3 To Determine the Relative Molecular Mass of a Soluble Base
In this volumetric analysis instructional activity, learners experimented with a known amount of hydrochloric acid to determine the relative molecular mass of an unknown group 1 carbonate. Students use volumetric analysis to determine...
Creative Chemistry
Thermal Decomposition of Calcium Carbonate
For this thermal decomposition of calcium carbonate learning exercise, students perform three experiments on calcium carbonate, make observations, and write the equations for each reaction. Students explain in detail what happened at...