National Institute of Open Schooling
Chemical Arithmetics
Substances with the same empirical and molecular formula must be differentiated by their structural formula. Part two in a series of 36 has pupils using chemical formulas to calculate how much of a compound is present in a given...
Curated OER
The Nature of Salt
High schoolers record information from the periodic table for sodium and chloride. They determine whether salts are molecular or ionic compounds, along with sodium chloride's molecular weight, and relative weights
Curated OER
WS 7.1 Kinetic-Molecular Theory of Gases/Pressure
In this kinetic molecular theory worksheet, students summarize the points of the kinetic molecular theory, they answer questions about pressure, and draw diagrams to show how suction cups, drinking straws and barometers work.
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...
National Institute of Open Schooling
Coordination Compounds
Cyanide, a coordination compound, is used in the extraction of gold and silver. Part 24 in the series of 36 delves into the world of coordination compounds. Classes learn, through readings, discussions, and answering questions, how to...
Annenberg Foundation
Geometry 3D Shapes: Euler's Theorem
How do you get a theorem named after you? Euler knows what it takes! The third lesson of five asks pupils to use an interactive activity to compare the faces, vertices, and edges of seven different three-dimensional solids. They use...
Curated OER
Finding Oxidation States
In this chemistry worksheet, young scholars examine the oxidation state in order to apply it in the laboratory setting. The sheet includes in depth background information.
Curated OER
Oxidation Reduction Reactions
In this chemistry worksheet, students find the outcomes necessary for the oxidation reduction reactions. The sheet includes background information.
NASA
Making Oxygen and Carbon Dioxide
Some like it hot! Scholars observe both exothermic and endothermic reactions as part of the carbon dioxide oxygen cycle. First, scientists demonstrate (or watch) a chemical reaction to create pure oxygen using fire for confirmation....
Curated OER
Relative Mass Formula, Atomic Formula, and Empirical Formula
After giving the definitions of the different compound terms and formulas, equations are provided to teach your chemists to calculate different values. Relative formula mass, atomic mass, and empirical mass are shown and explained with...
Curated OER
Characteristics of Crystals
In this crystals worksheet, students complete a graphic organizer by filling in the characteristics of the different crystal types including melting/boiling point and electrical conductivity.
Curated OER
The Connection Between Pigment and Light Colors
Young scholars explain the mole concept and use this concept to prepare chemical solutions of particular molarities.
Curated OER
Moles Worksheet
In this chemistry worksheet, students examine the energy rule of moles and answer the essay questions. The answers are include with the worksheet.
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
Stoichiometry
In this stoichiometry worksheet, students identify types of reactions, show the products, and balance the equations. Students determine the limiting reagent, theoretical yield, and percent yield for given reactions. This worksheet has 5...
Curated OER
Chemical Formulas and Naming
Students practice naming and writing formulas for simple chemicals. After a review of vocabulary, they create ion flash cards and discuss the rules for writing chemical compounds. They practice naming and writing the formulas based on...
Curated OER
Beams Word Search
In this word search worksheet, 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
Intermolecular Forces
In this intermolecular forces worksheet, students read about the two types of forces: dispersion forces and dipole-dipole forces. Students then complete 2 problems based on what they read.
Curated OER
Speeding up the Fizz
Students investigate temperature and chemical reactions. They explore the effect of temperature and particle size has on the rate of a simple chemical reaction. In addition, they graph their results and answer assessment questions.
Curated OER
Frosty the Snowman Meets His Demise: An Analogy to Carbon Dating
Students read and discuss an article about carbon dating, then participate in a hands-on lab to discover how carbon dating works. Students also write a letter to a friend explaining the process, and how archeologists use the process to...
Curated OER
Density and Mass
Learners experiment to find which liquids are more dense. In this density and mass activity, students predict and then test objects to observe and measure their density. learners observe which items sink and float. Students complete...
Curated OER
GCSE Module 6 Revision Guide-Chemistry-Oil, Fossil Fuels and Earth's Atmosphere
In this oil, fossil fuels and Earth's atmosphere learning exercise, 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...
Curated OER
Writing Lewis Structures
In this Lewis structures worksheet, high schoolers read about drawing Lewis structures and how to identify valence electrons. They draw Lewis structures for eight given compounds.
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