Curated OER
Chemical Composition Chart
For this Earth's crust worksheet, students determine the most abundant and least abundant elements in the atmosphere, oceans, and crust. This worksheet has 1 fill in the blank and 11 short answer questions.
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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.
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Naming Compounds
In this compounds worksheet, students compare ionic, covalent, and polyatomic compounds and give examples of each type. This worksheet has 1 matching, 3 problem solving, and 4 short answer questions.
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Oxidation Numbers
In this oxidation numbers worksheet, learners determine the oxidation number for given elements and draw Lewis Dot Diagrams. This worksheet has 6 fill in the blank and 11 short answer questions.
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Creating Bonds
In this creating bonds worksheet, students create 2-D and 3-D models of the molecular formula provided. Students complete a chart of information about the molecular formula given.
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First Ionisation Energies in Group II and Period 3
In this ionisation learning exercise, students complete 2 graphic organizers by filling in the proton number for given elements. Then students create 2 graphs plotting first ionisation energy against the proton number.
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Worksheet 1
In this instructional activity, students calculate the density, molar mass, and volume of given word problems. Students also calculate the partial pressure of the gases given in the particular problem.
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Chemistry Practice
In this chemistry practice worksheet, students select the correct response to the given questions. Students apply knowledge about the states of matter, finding vapor pressure and atmospheric pressure.
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Properties of Matter
In this matter worksheet, students compare metals and non-metals, elements, and chemical and physical properties. This worksheet has 22 short answer questions.
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Chemistry Worksheet 14
In this chemistry worksheet, students sketch several diagrams of different peptide chains. Students sketch diagrams of galactose and fructose.
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Chemistry
In this chemistry worksheet, students classify each chemical compound as a ketone, amine, aldehyde, or ether. Students also write a condensed formula and classification for the given organic products.
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Structure of Matter
In this matter worksheet, students review the structure of matter including elements, atoms, and the periodic table. This worksheet is a graphic organizer.
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Binary Operations
In this binary operations worksheet, 7th graders solve and complete 12 different problems that include various types of binary operations. First, they determine if the operation used is commutative. Then, students name the identity...
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Memorization Tips: Elements/Symbols
In this chemistry worksheet, students identify ways to memorize the elements and symbols of the periodic table for chemistry. They identify phrases that use each element in a unique way.
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Periodic Table Puns Answer Key
For this chemistry worksheet, students identify various puns to assist them in memorizing the numerous elements of the Periodic Table and their symbols. There are 44 to memorize on the sheet.
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Literary Element: Character Trait
In this literature worksheet, learners identify that writers have a difficult job when it comes to developing characters. They identify and describe various character traits matching them to an example from the novel read in class.
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Original Element
In this literacy learning exercise, students look for the words that are related to the theme of the learning exercise. They also work on the skills of spelling and word recognition.
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Science Puzzle
In this science worksheet, students identify and locate vocabulary words related to various sciences. There are 20 words located in the word search.
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Organization of the Elements and Periodic Table
Students identify how to relate the position of an element in the periodic table to its atomic number and atomic mass. They also identify and interpret how to use the periodic table to identify metals, semimetals, nonmetals, and...
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Periodic Table & Its Trends-Day 6
Learners intergrate science, technology and society into exploring the periodic table. They investigate one element of their choice and write a one page paper on the elements discovery, properties, uses, and the effect on society.
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Element Investigation
Students examine the process for gathering information about an element using at least three Internet websites. They gather the data about the element on a investigation worksheet which is graded using a rubric.
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Science: Not just Gold
Pupils articulate a possible relationship between arsenic and gold deposits in a written statement using data to substantiate the relationship they describe. They use real data to determine the source of the arsenic in the drinking water.
Centers for Disease Control and Prevention
Centers for Disease Control: Atsdr: Toxicological Profile for Plutonium
This article is designed to inform people of the health risks associated with plutonium. It explains how a person might be exposed to the element, and what the effects might be.
University of Kentucky
University of Kentucky: Chemcomics: Bismuth
Five comic strips from the 60's involving bismuth. There are not vast amounts of information, but they could be great graphics for a report or presentation.