National Institute of Open Schooling
Mole Concept
Learners explore atomic measurement in the first activity in a series of 36. Through readings, activities, and questions, classes review standard SI units, learn about Avogadro's constant, and use it to help them calculate moles. They...
Cornell University
Bacteria Take Over and Down
Bacteria outnumber all other forms of life on Earth. Scholars observe the growth of bacteria in petri dishes to understand their role in maintaining good health. Then, they observe the growth of bacteria after they introduce...
Cornell University
Splitting Water with Electricity
Explore how electricity splits water molecules into hydrogen and oxygen. Learners begin by calculating the voltage necessary to separate the water. They then perform the experiment and measure the ratio of hydrogen and oxygen bubbles.
Curated OER
Dilution and Concentration of Solutions
Future chemists practice laboratory techniques by creating a monochloramine solution. The objectives are to use of dilution, 9concentration, and measurement skills and to prepare a solution that will be used in a water treatment...
Curated OER
Chapter 14 Review, Section 2: Acids and Bases
Lewis acids and bases, Brønsted-Lowry acids and bases, ionization, and more are covered by this chemistry handout. It serves as a review of a specific textbook section, but will also serve as a nice review for any general chemistry...
Alabama Learning Exchange
Float or Sink?
Experiment with mass and density as scholars figure out what makes things float or sink. First, they watch a podcast introducing these concepts. Be sure to use the comprehension question to test their understanding. Young scientists...
Curated OER
Mining Minerals
Students define the properties of minerals and their uses in their world. In this multi-lesson unit, students contribute actively to discussions of mineral mining, mining methods and mine safety. A role play lesson asks students to...
Curated OER
Help Wanted: A Lighting Engineer For Popular Rock Group
Learners are assigned to groups, and determine each member's role in the group. They will design an experiment to determine a way to produce the three primary and five secondary colors. Students discuss color and mood. They listen to a...
Curated OER
Beams Word Search
In this word search learning exercise, students search for 32 hidden words found vertically, horizontally, backwards or diagonally. Words are words encountered during visits to "The Jefferson Labs."
Curated OER
The Mole
This compact collection of slides explains the history and use of the mole unit. Relative atomic mass, as John Dalton understood it, is explained. Avogadro's number is also introduced. The mole, or the unit for the amount of a substance,...
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
Learning Outcomes
In this science worksheet, students explore the learning outcomes for a unit on chemical reactions. Students define 60 vocabulary words and answer a list of questions for each topic.
Curated OER
Covalent Bonding - Electron Dot Structures
A short paragraph helps explain how covalent bonds are formed, and then your class will complete the Electron/Dot and Structural diagrams for the molecules given. The valence diagrams will reinforce understanding. This activity would be...
Curated OER
Polyatomic Ions
Opening with a chart of common polyatomic ions, and finishing with an explanation of how to name polyatomic ions, this presentation is to the point. The links on the vocabulary page do not work, leaving you only a few slides to work...
Curated OER
Properties of Metals
Fifth graders study the properties of metals and use them to identify different properties. In this metal properties lesson plan students complete a demonstration .
Curated OER
Bonding
For this bonding worksheet, students read about the two different types of chemical bonding: ionic and covalent bonds. Students review ion notation and oxidation numbers. This worksheet has 24 fill in the blank, 2 drawings, and 4 short...
Curated OER
Activity #4 What Do Equations Mean?
Students practice with writing and balancing simple chemcial equations. they comprehend that chemical equations are a method of using a set of univeral symbols to represent what happens experimentally in chemical reactions. Pupils...
Curated OER
Ionic Chemical Formulas Days 1 & 2
Students study polyatomic ions and write binary and ternary ionic chemical formulas. They explore putting together different monatomic ions and coming up with as many chemical formulas as possible. They play a game similar to memory...
Curated OER
What is a Chemical Reaction?-Evidence of Change
In this chemical reactions worksheet, learners 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...
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
GCSE Module 6 Revision Guide-Chemistry-Oil, Fossil Fuels and Earth's Atmosphere
In this oil, fossil fuels and Earth's atmosphere worksheet, students answer 3 questions about the origin of oil and its uses, the effects of burning oil and fossil fuels on the Earth's atmosphere and the origin and maintenance of the...
Curated OER
Writing and Balancing Equations
In this equations worksheet, students identify simple reactions as direct combination, decomposition, single replacement, or double replacement. This worksheet has 20 fill in the blank questions.
Curated OER
Charge and Electricity
In this electricity worksheet, students read about electric charge, ionic notation, and conductors and insulators. Then students complete 19 matching, 6 fill in the blank, and 2 short answer questions.
Curated OER
Chemicals, Chemicals, Everywhere
Students divide substances into categories: made of chemicals/not made of chemicals, synthetic/naturally occurring, and toxic/nontoxic. They observe a mystery chemical and determine what precautions they need to take when handling an...