Curated OER
Reacting Masses Problems
In this chemical reactions worksheet, students follow steps to determine the mass of compounds formed by the combustion of an element. This worksheet has 5 problems to solve.
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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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Identifying Ionic and Covalent Bonds
In this bonds worksheet, students complete a graphic organizer by determining if the compounds given are metals or non-metals and if it has a covalent or ionic bond.
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Anhydrides, Acid Rain and Titrations
In this chemical compounds worksheet, students determine is compounds will act as acids or bases when added to water. Students compare basic, acidic, and amphoteric anhydrides. This worksheet has 15 fill in the blank, 2 short answer...
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Atomic Mass, Formula Mass and Percentage Composition Calculations
In this elements activity, students calculate the relative formula mass and percentage composition calculations for given elements. This activity has 16 problems to solve.
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Final Worksheet
In this chemistry activity, students complete 15 short answer questions and problems on empirical and molecular formula, naming and writing chemical formula of compounds.
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Chemistry Scavenger Hunt
For this chemistry worksheet, students identify the three main phases of matter. Then they search for information about each element on a Chem Time Clock. Students use the chemical symbol to identify each element.
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Chemistry Basics Practice Exam
In this chemistry practice worksheet, students solve sixteen problems including identifying chemical and physical changes, calculating numbers with significant figures, naming compounds and writing formulas and converting from one unit...
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Matter: All That "Stuff"
In this chemistry activity, learners learn about matter, including atoms, electrons, protons, neutrons, compounds and chemical properties. They use this information to answer the 10 questions on the activity. The answers are on the last...
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How Atoms Work
Students explore the concept of atoms and how they combine to form molecules and compounds. In pairs, they read an article on how atoms work and discuss the main points. They draw atoms and write a paragraph about their elements.
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Converting Amount to Mass
In this elements worksheet, students practice converting a given amount of an element to the mass using its molar mass. This worksheet has 12 problems to solve.
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AP Chemistry Chapter 9
In this AP Chemistry worksheet, students apply concepts of electron configuration to accurately answer the questions provided. Students also draw Lewis structures of the given elements. Students estimate the enthalpy of formation as well...
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Molecules, Moles and Molar Masses
In this molecules, moles and molar masses instructional activity, learners find the atomic masses of 8 elements, they write the formulas for 6 diagrams of molecules and they find the molecular masses of 12 compounds. Students also find...
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Molecular Mass and Percent Composition
For this molecular mass and percent composition worksheet, students complete 5 sections where they determine atomic masses of given elements, they determine formula masses for given molecules, they find the molecular mass of 12 molecules...
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Density Challenge
Students calculate the densities of several liquids that appear similar. In this physical science lesson, students go beyond understanding the way liquids of different densities behave to researching how this knowledge applies in real...
Mr. E. Science
An Introduction to Matter
What's the matter? Gas, solid, liquid, or plasma. The presentation covers how to describe and identify matter, changes in matter, types of matter, measuring matter, particles of matter, Democritus, and John Dalton's Atomic Theory.
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Chemistry Comes to Life
Although biochemistry of the human body is a vital topic, it doesn't have a chapter dedicated to it in many biology textbooks. If that's the case with your text, you can use this resource as a guide for designing your own lecture and as...
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Vocabulary - Unit 5, Chemical Bonds
All you will find in this resource is a list of vocabulary terms dealing with chemical bonds. Space is provided for chemistry learners to write out definitions. This would be a terrific tool to help prepare them for a quiz.
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The Groups and Electron Dot Diagrams
It's all in the family with this presentation! The halogen, alkali metal, and noble gas families are introduced to young chemists along with characteristic properties and colorful diagrams of electron shells. Viewers are then taught how...
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Things That Glow
Third graders study the concept of light as an energy source. In this energy instructional activity students participate in a lab that show them the concept of light as an energy source.
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Chemistry - Atoms and Elements
Middle schoolers perform varied activities as part of a layered curriculum unit: They write and perform a skit that outlines the evolution of the model of the atom. The script is submitted to the teacher for review before performance.
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It's a Mixed Up World!
Students examine the importance of applying the scientific knowledge of elements, mixtures, and compounds to manufacture consumer goods and conduct civil operations, such as water purification. They also practice categorizing examples...
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The Chemistry of Life
High schoolers study atoms and chemical compounds. They identify certain elements essential to human health, describe physical and chemical properties of water, and name four types of polymers unique to all life forms. They explain how...
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Moles
In this moles activity, students determine the mole ratio in given compounds and calculate the number of moles of specific elements in chemical compounds. This activity has 19 problems to solve.