Curated OER
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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Formula Mass
In this formula mass activity, students read about molecular substances and their formula masses. They find the formula masses for six compounds using the atomic masses of its elements.
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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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IPC Chemistry Review
For this chemistry review worksheet, students classify and name compounds, calculate atomic mass, draw Lewis Dot Diagrams, and determine number of protons for atoms. This worksheet has 37 fill in the blank, 38 matching, and 3 short...
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The Dalton Model
For 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 are Atoms?
In this atom worksheet, students read about Dalton's contributions to the structure of the atom. They answer five questions about Dalton's ideas, the law of multiple proportions and the law of definite proportions.
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What is Matter?
For this matter worksheet, students answer 6 questions about matter. Students distinguish between homogeneous and heterogeneous mixtures, they identify elements and compounds and they distinguish between pure substances and mixtures.
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Ion (Derstand) Bonding through Energy Level Diagrams
Ninth graders investigate ionic bonding through energy level diagrams. In this ion bonding lesson plan, 9th graders observe demonstrations to show energy level diagrams using magnets to represent the subatomic particles. Students fill...
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Classification of Matter
In this classification of matter worksheet, students answer 15 questions about solids, liquids and gases, types of mixtures and compounds vs. elements. They also answer 2 questions about measurement and 1 question about a biome.
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Formula Mass Calculations
In this atoms learning exercise, learners calculate the formula mass for chemical compounds. This learning exercise has 12 problems to solve.
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Matter, Matter
Learners define vocabulary related to the parts of the atom. In this matter instructional activity, students navigate the web to find the structure and the forces that affect atoms. Learners complete an experiment with...
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Interpreting Chemical Formulas
In this chemical formulas instructional activity, 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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Mixtures, Solutions and Matter
For this mixtures, solutions and matter worksheet, students are given 12 terms and they cut out 12 definitions to match with the terms. Topics include types of mixtures, types of matter such as atoms, molecules and compounds and solutions.
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Unit 4 - Periodic Table
There are 17 multiple choice questions on this periodic table test. The focus is on properties of the elements by group and period. The exam is not formatted well, making it a little difficult to read. There is also a typographical...
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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.
Pearson
The Chemical Context of Life
An educational presentation includes atoms, molecules, the four major elements, as well as neutrons and protons. Additionally, slides focus on atomic number, mass number, atomic weight, polar and nonpolar covalent bonding, ionic...
It's About Time
Chemical Names and Formulas
Abracadabra! Provide your class with the tools to perform a chemical "magic show" as they predict the charges of various ions, determine ionic compound formulas, and make observations to determine when a chemical reaction between...
Biology Junction
Chemistry
You matter—unless you multiply yourself by the speed of light squared, then you energy! Scholars learn about matter, energy, the elements and so much more using an informative presentation. Completing the included worksheet creates a...
Teach Engineering
Engineering and the Periodic Table
Elements, to the rescue! Scholars first review the periodic table, and then learn about the first 20 elements and their properties and uses in the fourth of six lessons in the Mixtures and Solutions unit. Applying their newfound...
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Elements and Bonding Worksheet
In this elements and bonding worksheet, students classify given elements, they identify valence electrons in atoms, they explain the reactivity of elements, and they explain why certain atoms gain electrons while others lose electrons.
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Naming Compounds
In this naming compounds activity, students are given a chart to determine if the compound they are naming is ionic, covalent or polyatomic. Students practice identifying and naming ionic, covalent and polyatomic compounds. They define...
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Ionic Compounds
For this compounds worksheet, students review the structure and properties of ionic compounds, their formulas and nomenclature, and molecular mass and percentage composition. This worksheet has 4 short answer questions and 7 problems to...
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Compounds and Molecules
In this compounds activity, high schoolers compare separating elements of a compound and substances in a mixture. Students review melting and boiling point. This activity has 1 fill in the blank and 5 short answer questions.
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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...