Curated OER
Balancing Chemical Reactions
In this balancing chemical reactions instructional activity, students answer 12 questions about balancing reactions. They find the coefficients to balance atoms in equations, they balance reactions, they find the molecular mass of...
Curated OER
Moles, Molarity, Grams, and Formula Units
In this atoms worksheet, students calculate the number of moles, molarity, grams, or formula units for 20 different problems.
Curated OER
Chemistry 116 Exam 2 Summer 2009
Written for an introductory organic and biochemistry course, this exam will challenge your class. They label functional groups and stereocenters on drawings of molecules, draw structures given the name, complete drawings of chemical...
Bellevue College
Practice Drawing Lewis Structures
Twenty-six elements, compounds, and ions are randomly listed for chemistry whizzes to analyze. They are to diagram the Lewis electron dot structure for each, resulting in further insight on the configuration of different molecules. They...
Curated OER
Simple Organic Compounds
In this organic compounds instructional activity, students read about the development of chlorofluorocarbons and the breakdown of this compound in the atmosphere. Students complete 2 short answer questions.
Curated OER
Chemical Bonding and Shapes of Molecules
In this chemical bonds learning exercise, students review the different types of bonds, Lewis dot structures, ions, and molecule shapes. This learning exercise has 10 matching, 17 multiple choice, and 3 drawing questions.
Curated OER
WS 10.2 Chemical Bonding in Alkanes
In this bonding worksheet, students write the chemical formula, the name of the alkane, the structural formula and the condensed formula given the number of carbon atoms in each alkane.
Curated OER
Hydrocarbons and Fractionation
In this compounds worksheet, students identify molecules as compounds and give a reason why they believe it is or isn't a compound. Students write out chemical formulas. This worksheet has 3 problems to solve.
Curated OER
Measuring for Chemistry: Moles, Compounds, and Conversions
Through a station rotation activity, scientists complete 9 chemistry activities to complete this interactive worksheet. Concepts include molar masses, percent composition, accuracy vs. precision, mass of an object, scientific notation,...
Curated OER
Interpreting Chemical Formulas
In this chemical formulas worksheet, learners practice naming molecular compounds by their formulas and determine if a gas is a compound or an element. This worksheet has 13 fill in the blank questions.
National Institute of Open Schooling
Hydrogen and s-Block Elements
Lesson 19 in the series of 36 analyzes the element hydrogen and the s-block elements. Through readings, answering questions, and discussion, learners write about and explain their occurrence, physical and chemical properties, and uses.
University of California
You Are What You Eat: Testing for Organic Compounds in Foods
We have all heard that we are what you eat, but what are we eating? An informative lesson opens with a discussion of the foods pupils have recently eaten. Then, young scientists perform four experiments on seven different foods to...
Curated OER
The Chemicals of Living Cells
Designed to be a study guide or self assessment for high school biologists, the learning exercise has good questions about cell chemistry, but would need to be reformatted if you want your kids to write their answers on the paper. There...
Curated OER
Chemistry Final Exam Worksheet
In this chemistry worksheet, students take a final exam that is concerning the identification of the chemical compounds. The answers are also included.
Curated OER
Atoms-How Sweet They Are!
In this atoms and sugar molecules worksheet, students are given the structural composition of the sugar molecule maltose. They determine the number of each type of atom in the molecule, they find the ratio of hydrogen to oxygen atoms and...
Curated OER
Combining Atoms
In this atoms worksheet, learners explore the different types of bonds, name compounds, and determine charges of molecules. This worksheet has 8 true or false, 9 fill in the blank, and 5 short answer questions.
Curated OER
Chapter 16 Review- General Science
In this review of general science worksheet, learners classify examples of matter as mixtures or substances, homogeneous or heterogeneous mixtures, or elements or compounds. Students also convert several examples using the standard...
Curated OER
Chemical Bonding and Shapes of Molecules
In this chemical bonding worksheet, students review the different types of bonds and calculate the number of valence electrons in molecules. This worksheet has 11 matching and 15 multiple choice questions.
Curated OER
Stoichiometry
In this stoichiometry learning exercise, students solve thirty problems using the process of stoichiometry to find moles, molecules, and masses of substances in chemical reactions. Students balance chemical equations, find limiting...
It's About Time
How Atoms Interact with Each Other
Connect the dots and assist young chemists as they demonstrate covalent and ionic bonding. Class members use their knowledge of valence electrons to predict compound formulas as they arrange electrons into various bonding structures to...
Curated OER
Isomer
In this isomer worksheet, students use molecular model kits to build isomers. Students work in groups and draw and name the isomers they build. They answer 9 questions about both geometric and structural isomers.
Curated OER
Chapter 7 Worksheet-Types of Equations
In this equations worksheet, students write equations and classify them as single displacement, double displacement, combustion, combination or decomposition reactions. They also write sample equations of each type of reaction and answer...
Curated OER
Standard 4-Photosynthesis, Diseases and the Immune System
In this photosynthesis, disease and Immune System worksheet, students fill in the blanks with key terms to complete sentences about the transfer of energy from the sun to plants, enzymes as catalysts in reactions, homeostasis, the immune...
Curated OER
General Chemistry
In this chemistry learning exercise, students identify the name and abbreviation of the SI unit for mass, length, time, electric current, and temperature. Then they give the abbreviation for each of the units listed and describe what...