Curated OER
Mole Conversions
For this compounds worksheet, students determine the number of molecules in molar mass for given amounts of different compounds. This worksheet has 5 problems to solve.
Royal Society of Chemistry
Organic Formulae 1
Puzzles are the formula for success in organic chemistry! Hydrocarbons abound in the first of two interactives involving basic organic molecules. The easy-to-use lesson is available online and in print form, so you can pick your delivery...
Royal Society of Chemistry
Isomers of (E)-but-2-ene
One chemical formula—but how many different structures? Familiarize young chemists with the concept of isomers through simple, related games. Users identify each isomer base upon its name, structure, and type of isomerization in a set of...
Curated OER
How Are The Properties of Covalent Compounds Influenced By Chemical Bonding?
Students work together to observe the bond lengths of single, double and triple bonds. They make their own predictions about the strength of the bonds and chemical reactions. They answer discussion questions to complete the lesson.
Curated OER
Chemical Formulas
Students examine the structure of molecules, their formula, and percentage composition of each element in the compound. They construct an organic compound with different functional groups using a modeling kit, and draw a 3-D structure...
Curated OER
Atoms or Molecules?
In this scientific investigation worksheet, students follow the provided procedures to examine the chemical reactions of hydrogen and oxygen atoms and then respond to 1 short answer question.
Curated OER
Differentiate Elements, Compounds, and Mixtures
Students examine the differences between elements, compounds and mixtures. Using diagrams, they compare and contrast atoms and molecules and describe various chemical reactions. They distinguish the differences between ionic and...
Curated OER
Household Chemicals
In this chemicals worksheet, students review how to read chemical labels, define an acid-base indicator, and decide which way strong acids can be dangerous. This worksheet has 15 short answer and 20 fill in the blank questions.
Curated OER
Recognizing and Describing Chemical Changes
Seventh graders distinguish between physical and chemical changes in both natural and technological settings. They identify the reactants and products for a given chemical reaction. they then write simple chemical equations given the...
Curated OER
Compound Names and Formulas
In this compounds worksheet, students name the given ionic compound, describe how covalent compounds are named, and write the chemical formulas for the covalent compounds. This worksheet has 2 fill in the blank and 3 short answer questions.
Curated OER
Atoms and molecules
In this chemistry worksheet, students find the words that are related to atoms and molecules. The answers are found by clicking the link at the bottom of the page.
Curated OER
Chemical Reactions and Burning Fossil Fuels
In this chemistry worksheet, students select answers to 24 multiple choice questions using the drop down box. They identify the different atoms involved in the chemical reaction.
Curated OER
What do Chemists See When they Look at Chemicals?
In this naming chemicals worksheet, students indicate the prefixes for naming compounds. They fill in a chart with the chemical names and formulas for alkanes. They draw the structural and molecular formula for propane and they draw and...
Curated OER
Organic Chemistry Practice Test
Framed as an organic chemistry practice test, this resource could be used for a variety of purposes. Composed of 15 questions about organic compounds such as isomers, alkynes, alkenes and amines, and other topics related to organic...
Curated OER
Properties of Matter
A collection of ten slides reveals bright graphics and photos. Though the title is "Properties of Matter," the content is incoherent. You will find a couple of slides on chemical reactions, a few on the example of the S.S. Hindenburg...
Curated OER
The Elements
Fifth graders explore the differences between elements. In this elements and atoms lesson students complete an activity that shows how chemicals react to a flame test.
Curated OER
Essential Elements
A color-coded periodic table identifies organic elements, major minerals, and trace elements. Oxidation states are highlighted and types of chemical bonding are annotated. The electron energy level chart is explained. Though not all of...
Curated OER
A Whiff of Danger
Public health trainees read and write a summary of the article, "A Whiff of Danger". The article is not available through the link, but can be found on the National Center for Biotechnology Information website. After summarizing,...
Curated OER
Bonding
Almost a complete lesson in itself, this presentation will enhance any bonding and compounds unit. The concepts included are charges of atoms lending to particular molecular structures, the stability of bonds and how to diagram them....
Curated OER
Earth and Beyond
For this earth and beyond worksheet, young scholars answer short answer questions about the atmosphere, the chemical compounds in Earth's atmosphere. Students visit different websites to conduct research of the discoveries of the...
Curated OER
Formulas
There are two sheets here, with 100 problems total. The first half is a list of compounds, and your young chemists should write the chemical formula for each. The next fifty give the formula and the name is required. You...
Google
Biochemical Structures
It's truly amazing how life is sustained through the complicated interactions of different organic compounds. As young biochemists complete this worksheet, they demonstrate their ability to identify these essential molecules as well as...
University of Georgia
Endothermic and Exothermic Reactions
Equip your chemistry class with the tools to properly understand endothermic and exothermic reactions. Young chemists collect, analyze, and graph data to determine how the Law of Conservation of Matter is applied to chemical...
Curated OER
1999 U.S. National Chemistry Olympiad Part II
A variety of topics including reaction rates, combustion reactions, periodic trends, and ionization reactions are included in this exam. Test takers also practice calculating empirical and molecular formulas of compounds.