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Elements and Compounds
Eighth graders explore the chemical and physical properties of a variety of elements in a lab setting. They organize the data they collect onto a spreadsheet and then choose one element from the periodic table to research. They...
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Elements
In this elements activity, students give the symbol for given elements. Students determine the number of protons, electrons, and neutrons for atoms. This activity has 9 fill in the blank and 5 problems to solve.
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Naturally Magnetic Elements
Students explore naturally magnetic elements. In this magnets instructional activity, students examine the periodic table of elements. Students discover the parts of an atom and determine which three elements are magnetic.
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What Are Elements?
Students investigate elements by by defining scientific terms. In this Periodic Table of Elements lesson, students utilize a glass of water, and powdered fruit drink to perform a lab activity demonstrating properties of certain...
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Making Molecules
In this making molecules worksheet, students complete a table of elements with their symbol, atomic number, atomic mass, number of protons, number of electrons, period and group. Students then make models using pipe cleaners and beads of...
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The Atom
In this atom worksheet, learners read about the parts of the atom and how atoms combine into molecules and compounds. Students learn how to read a periodic table. This worksheet has 20 fill in the blank and 10 matching questions.
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Balancing Act
In this chemistry worksheet, students determine the number of atoms in each element and select one that is not equal on both sides of the equation. Then they add a coefficient in front of the formula with that element and adjust their...
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Balancing Equations Challenge
In this balancing equations worksheet, students identify the number of atoms in given molecules and compounds and they balance ten equations by placing the proper coefficients in front of the reactants and products.
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Different Minerals
In this minerals worksheet, learners read about the relationship between elements, rocks and minerals. They experiment using 6 different colored gumdrops to represent 6 common elements. Students construct gumdrop and toothpick models of...
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Chemistry quiz
In this chemistry worksheet, students answer short answer and true and false questions about acids, bases, atoms, elements, and more. Students complete 20 questions.
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Integrating Space Science-Our Changing Universe
In this universe worksheet, students read about the big bang theory and the evolution of the stars from the elements. Students answer four critical thinking questions about the beginnings of our universe.
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Mass Spectrometer
In this mass spectrometer worksheet, students read about how a mass spectrometer determines the elements in gases around Earth. Students answer 3 questions and identify the elements in a graph found by a mass spectrometer.
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The Periodic Table
Eighth graders read and interpret the Periodic Table. They also make decisions on how to group and arrange different kinds of matter and draw the structure of atoms of pure elements. Finally, 8th graders contrast and compare basic...
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Periodic Table Basics Review Sheet
For this periodic table worksheet, learners complete a chart with the appropriate element symbol, the atomic mass and the atomic number. They classify elements by their groups and as metals, nonmetals or semi-metals. They also answer two...
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Periods and Groups; Valence Electrons; Masses
In this elements instructional activity, learners read how the elements are organized in periods and groups in the periodic table. Students use the periodic table to find the valence electrons and calculate molecular mass. This...
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Molecules, Moles and Molar Masses
In this molecules, moles and molar masses worksheet, students find the atomic masses of 8 elements, they write the formulas for 6 diagrams of molecules and they find the molecular masses of 12 compounds. Students also find the fraction...
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The Dalton Model
In this Dalton worksheet, students read about John Dalton and his contributions to understanding the atom. Students are given sample data for Dalton's experiments and they answer questions about the data in his experiments.
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What's Matter?
Students explore many of the basic properties of matter including atoms, ions, elements, molecules, and density. The class explores an interactive flash-animated Web site to answer questions and clarify misconceptions they might have had...
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Main Group: Properties and Reactivity
In this main group activity, students apply their knowledge of the organization of the periodic table to correctly answer 30 multiple choice questions. Students relate information about the properties of the different groups and their...
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Formula Mass Calculations
In this atoms worksheet, students calculate the formula mass for chemical compounds. This worksheet has 12 problems to solve.
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Periodic Table Assignment
In this periodic table worksheet, students complete a crossword puzzle given 22 clues about elements in the periodic table, periodic law, properties of elements and atomic mass and number. Students also fill in a periodic table to...
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Matter, Matter
Students define vocabulary related to the parts of the atom. In this matter lesson, students navigate the web to find the structure and the forces that affect atoms. Students complete an experiment with positive and...
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Tootsie-Roll Pop Chemistry
Middle schoolers use Tootsie-Roll Pops to become familiar with atoms and chemical formulas. They, in groups, find more combinations of Tootsie-Roll Pops than the other lab groups within 3 minutes (Round 1), and within 5 minutes (Round 2).
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Interpreting Chemical Formulas
In this chemical formulas learning exercise, students determine the number and type of each atom and the total number of atoms for the given formulas. Students complete 10 problems.
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