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How to Balance Equations for Oxidation-Reduction Reactions
In this balancing oxidation-reduction reactions, learners learn how to assign oxidation numbers to atoms in compounds, they learn how to write half reactions in order to balance oxidation-reduction reactions in acidic or neutral...
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How Stuff Is Put Together (Chemical Bonding)
Fourth graders participate in a simple experiment that shows the ratio of elements that make up water.
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Average Atomic Mass
In this average atomic mass instructional activity, high schoolers read about how the protons and neutrons make up the atomic mass of an element. They find the average atomic mass given four problems.
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The Bohr Model vs. the Wave Mechanical Model
In this Bohr model and wave mechanical model worksheet, students read about the differences between these two models of the atom. Students answer four questions about these models.
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Extracting Oxygen from Moon Rocks
In this extracting oxygen from moon rocks instructional activity, students read about the need for oxygen for lunar colonists. Students solve 2 problems about the lunar mineral ilmenite which contains oxygen and other elements. They find...
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The Spectrum of a Star
Tenth graders identify stars based on their line spectra. In this astronomy activity, 10th graders analyze spectrograph and determine the elements present in the star. They explain the relationship between temperature and star classes.
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Organic Chemistry Reactions
For this organic chemistry reactions worksheet, students are given a table with 8 different types of reactions that occur with organic molecules. Students answer 3 questions about the reactions given in the table and indicate which...
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Periodic Table Basics
In this periodic table worksheet, students answers 10 fill in the blank questions by reading information form a periodic table. Then also complete Bohr Models of the atoms of 12 different elements.
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What is a Chemical Reaction?-Evidence of Change
In this chemical reactions worksheet, students experiment with hydrochloric acid and copper (I) chloride to identify the types of reactions they undergo with various other substances. They also observe the law of conservation of mass and...
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Balancing Equations Online
In this balancing equations worksheet, students use an on line source to answer questions about balanced equations and they write balanced equations for various types of reactions. They balance equations using an on line game that allows...
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Empirical Formulas
In this empirical formulas worksheet, students read about determining empirical formulas from chemical formulas. They determine the empirical formula given ten molecular formulas. They also find the molecular formulas given the mass and...
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Types of Chemical Reactions
In this chemical reactions worksheet, students are given directions about three types of reactions and how to write balanced equations for each. They then are given ten practice problems to complete using the information given.
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Balancing Equations Online 2
In this balancing equations worksheet, students use an on line site to practice balancing equations at the beginner level, the intermediate level and the advanced level. They balance four equations for the combustion of different compounds.
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Finding the Oxidation State
In this oxidation state instructional activity, students are given rules for assigning oxidation numbers and a chart showing the oxidation states of the elements of a given compound. Students use the rules and the example to find the...
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Dust in the Wind; Chemicals in the Water
Students explore mechanical and chemical weathering at stations. They articulate some mechanisms of chemical and mechanical weathering through exploration in a lab. Students stations describe how chemical weathering differs from...
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Water Cycle
Ninth graders explore ways water moves through various reservoirs on Earth, examine how human activities change water cycle, investigate substances present in water that indicate human activity, and discuss how understanding water cycle...
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The Energy Debate - Stoichiometry
Students determine crude oil can be separated into useful fractions by a process of fractional distillation. They write a balanced equation for the reaction between a hydrocarbon and oxygen.
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IPC Chemistry Review
In this chemistry review worksheet, students classify and name compounds, calculate atomic mass, draw Lewis Dot Diagrams, and determine number of protons for atoms. This worksheet has 37 fill in the blank, 38 matching, and 3 short answer...
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More Chemical Bonding
In this chemical bonding instructional activity, students review the three types of compounds: ionic, covalent, and polyatomic. Students practice drawing the covalent bonds of given compounds. This instructional activity has 5 drawings...
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Types of Chemical Reactions
In this chemical reactions worksheet, students read about the 3 types of chemical equations and how to write balanced ionic equations. Students are given 5 equations to balance, write the type of reaction, write the total ionic equation,...
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Formula Mass
In this formula mass worksheet, students read about molecular substances and their formula masses. They find the formula masses for six compounds using the atomic masses of its elements.
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More Chemical Bonding
In this chemical bonding worksheet, students review the three types of bonds including ionic, covalent and polyatomic compounds. They identify 8 compounds as ionic, covalent or polyatomic and they make 4 ionic compounds and they draw 5...
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Energy Adventure Scavenger Hunt
Students complete a scavenger hunt. In this energy lesson, students use various Internet websites to explore forms of energy, non-renewable sources, renewable sources, electricity, uses of energy and energy efficiency.
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Of Electron Bondage
Students create models of ionic and covalent electronic bonds to demonstrate their understanding of these chemistry concepts. They explain how both ionic bonds and covalent bonds work so that younger students can understand.