Curated OER
How Do Atoms Stick Together?
For this chemical bonding worksheet, students answer 10 questions about ionic bonding, covalent bonding, metallic bonding, Lewis structures, and intermolecular forces.
Curated OER
Radioactive Decay and Half-Life
Students describe how the mass of a radioactive isotope changes with time and the factors that affect the rate of radioactive decay. They write nuclear decay equations to represent natural transmutation. This activity is accomplished...
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
Chemical Equations and Symbols
In this chemical equations and symbols instructional activity, students are given two written equations and they translate each into chemical symbols. They are given two equations with chemical symbols and they translate them into...
Curated OER
pH Scale, acids and bases
Eighth graders define the pH scale, acids and bases. They distinguish between acidic and basic solutions using litmus paper. Students review simple chemical formulas. They define the subscript and coefficient in terms of chemical...
Curated OER
Teaching Radioactive Decay: Radioactive Half-life And Dating Techniques
Young scholars generate a radioactive decay table for an imaginary element using a box filled with pinto beans and M&M's. They use their data to plot a decay graph, develop the concept of half-life, and use the graph to "age" several...
Curated OER
Minerals and Rock Cycle Review
In this minerals and rocks worksheet, students answer questions about the chemistry of minerals, scratch tests, rocks and the rock cycle, and erosion and deposition.
Curated OER
Interpreting Chemical Formulas
For this chemical formulas worksheet, students 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.
Curated OER
Edible Atom/Molecule
Upcoming chemists construct atom or molecule models out of candy. This is a classic idea that learners really enjoy; however, this lesson plan is vague. There is no instruction about the structure of atoms or molecules. Make sure you...
Curated OER
Structure of the Atom
Learners practice drawing the atomic structure of several different elements. They complete critical thinking questions about atomic structure and compare the atomic mass units for different ions and isotopes of an element.
Curated OER
Making Atoms
In this atoms instructional activity, students determine an atoms based on its protons, and neutrons. Students determine the electron levels for the oxygen atom. This instructional activity has 1 multiple choice, 4 fill in the blank, and...
Curated OER
Atoms, Elements, Molecules, and Compounds
In this elements worksheet, students review the Bohr model and define negative and positive subatomic particles. Students compare molecules and compounds. This worksheet has 11 short answer questions and 4 problems to solve.
Curated OER
Earth and Beyond
In this earth and beyond worksheet, students 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 scientist who...
Curated OER
Calculating the Average Mass of the Newly Discovered Element: Bean
Learners determine the average mass of a new element using masses from three isotopes. For this chemistry lesson, students explain what an isotope is. They discuss their importance and uses.
Curated OER
Compounds and Mixtures Notes
In this matter worksheet, students watch a movie and then compare the differences between compounds and mixtures. This worksheet has 16 fill in the blank questions.
Curated OER
Compounds and Molecules
In this compounds worksheet, students compare separating elements of a compound and substances in a mixture. Students review melting and boiling point. This worksheet has 1 fill in the blank and 5 short answer questions.
Curated OER
The Atoms Family-Atomic Math Challenge
In this atoms instructional activity, middle schoolers determine the number of protons, neutrons, electrons, the atomic mass and the atomic number of 16 elements.
Curated OER
Compounds and Mixtures
In this compounds worksheet, students draw a line to match the word with the definition. Students also match foods with their correct term.
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...
Cornell University
The Making of Macromolecules
Compare and contrast macromolecules made from the same elements. Young scholars learn how the structure of a molecule has as much influence on a compound as the elements in the molecule. They experiment with molecular model kits to...
Virginia Department of Education
Determining Absolute Age
How can radioactive decay help date old objects? Learners explore half-life and radioactive decay by conducting an experiment using pennies to represent atoms. Young scientists graph data from the experiment to identify radioactive decay...
National Institute of Open Schooling
Chemical Bonding
Name is Bond, covalent bond. Through readings and answering questions, classes explore the different types of chemical bonds, their characteristics, valence shell electron pair repulsion theory, and atomic orbitals.
NOAA
The Incredible Carbon Journey: Play the Carbon Journey Game
Class members explore the carbon cycle in the final installment of the 10-part Discover Your Changing World series. They play a simulation game where they walk through the steps carbon takes as it cycles through the different layers...
Kenan Fellows
Isotopic Pennies
Many people confuse atomic mass and atomic numbers. The sixth of seven lessons in a unit requires scholars to find the weight of different groups of pennies. Then, they must solve how many of each type of penny exists in a closed system...
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