Curated OER
The Atom Board-Making Atoms
In this making atoms science activity, students read about the atomic number of protons, finding the number of neurons, and how electrons function before they complete the atom board graphic organizer and respond to 4 short answer...
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Periodic Trends
Learners explore the rationale behind the arrangement of the elements on the Periodic Table. Using internet and traditional research, students compare and contrast the properties of elements on the periodic table to determine a...
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Build Your Own Atom
Students build a model of an atom using an online program. In this chemistry lesson, students discuss the different parts of the atom. They complete an independent research about their chosen element.
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Chemistry 1 Practice Exam
In this chemistry practice test worksheet, students answer 30 multiple choice questions regarding chemical formulas and chemical names for compounds.
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High School Chemistry Questions
In this chemistry instructional activity, students determine the number of water molecules is a given volume of water. Students determine the empirical formula for given compounds from the percentage mass of elements. This instructional...
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Periodic Table Basics 2
In this periodic table worksheet, students create cards for a annotated periodic table then use it to answer 16 short answer and fill in the blank questions.
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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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Inside an Atom
In this atom worksheet, students read about the history of the discovery of the atom. Students write a story, poem, song or other creative project in which they shrink to an incredibly small size and are trapped in a carbon atom.
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What is Radon?
Students read an article about radon and its properties. They examine a periodic table and identify the numbers surrounding an element. They discuss the harmful and helpful effects of radiation.
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Resources - A Reading Guide
For this resources worksheet, students compare and contrast physical and chemical properties and changes. Students review the periodic table, pattern of atomic numbers and chemical reactivity. This worksheet has 56 short answer questions.
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Beat the Greeks
Students conduct research of the history of atomic theory. Information is presented from Democritus and Aristotle to the early Renaissance using the Internet and video.The integration of technology allows for a vast amount of research...
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Writing Nuclear Reactions
In this writing nuclear reactions worksheet, high schoolers read about nuclear equations for alpha decay, beta decay and positron emission. They are given the rules for writing nuclear reactions and a sample problem.
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Radioactive Samples
Students examine the different types of radioactivity. In this radioactive samples lesson students complete a lab activity on radiation and complete a handout.
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Minerals and Rock Cycle Review
In this minerals and rocks instructional activity, students answer questions about the chemistry of minerals, scratch tests, rocks and the rock cycle, and erosion and deposition.
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Unit 2 Quantities Review
In this quantities in chemistry activity, high schoolers solve 13 review problems about percent composition, significant digits, the mole, simple and molecular formulas, balancing equations, stoichiometry, limiting reagents and percent...
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Final Worksheet
High schoolers will review a semesters worth of material on this final chemistry review. Information ranges from naming isotopes to pH and molarity.
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Exam Review: Chemistry Calculations
In this chemistry calculations review activity, students solve 33 review problems about titrations, precipitates, pressure and volume of gases, combustion reactions, heat of combustion, molar concentrations and molecular formulas.
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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...
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Moles Worksheet
For this chemistry worksheet, students examine the energy rule of moles and answer the essay questions. The answers are include with the worksheet.
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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...
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Metals for Minting
Students study the Periodic Table to investigate basic properties of metals used to make coins. They discuss how historic events like the Civil War and Gold Rush had a direct impact on the trime.
Texas Education Agency
Texas Gateway: Ap Physics I: Appendices: Atomic Masses
This is a chart of the elements including the atomic mass, atomic number, symbol, half-life, and more.
CK-12 Foundation
Ck 12: Isotopes and Atomic Mass
[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will be asked to define atomic number, mass number and understand how isotopes differ from one another. They will be able...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Isotopes and Atomic Mass
Are all atoms of an element the same? How can you tell one isotope from another? Use the sim to learn about isotopes and how abundance relates to the average atomic mass of an element.