Curated OER
Atoms and molecules
In this chemistry instructional activity, students find the words that are related to atoms and molecules. The answers are found by clicking the link at the bottom of the page.
Curated OER
The Groups and Electron Dot Diagrams
It's all in the family with this presentation! The halogen, alkali metal, and noble gas families are introduced to young chemists along with characteristic properties and colorful diagrams of electron shells. Viewers are then taught how...
Massachusetts Institute of Technology
Lego Atoms and Molecules: Chemical Reactions
Show young chemists what a chemical reaction looks like with two parts of a hands-on experiment. First, learners conduct a wet lab where they observe the reactants (baking soda and calcium chloride, with phenolsulfonphthalein)...
Curated OER
Atoms and Chemical Bonding
An online resource, this worksheet has your chemistry learners complete four data tables with information about atoms and chemical bonds. The first table addresses atomic number and mass, as well as numbers of protons, neutrons, and...
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Chapter 16 Review- General Science
In this review of general science worksheet, students classify examples of matter as mixtures or substances, homogeneous or heterogeneous mixtures, or elements or compounds. Students also convert several examples using the standard...
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Organic and Biological Compounds
Carbon as a building block for organic compounds is demonstrated by diagrams and facts for its bonding style. Saturated and unstaturated hydrocarbons are detailed and facts about biological compounds such as proteins, nucleic...
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WS 5.5 Percent Composition
In this percent composition worksheet, students find the percentages of atoms in compounds and they determine empirical formulas given the percent of each atom in a compound.
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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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Chemistry: elements
In this chemistry worksheet students complete a set of multiple choice and short answer questions on protons, electrons, ionization and chemical equations.
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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...
Curated OER
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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The Chemistry of Life
High schoolers study atoms and chemical compounds. They identify certain elements essential to human health, describe physical and chemical properties of water, and name four types of polymers unique to all life forms. They explain how...
Normal Community High School
Classification of Matter
Steel is an example of homogeneous mixture, also called an alloy, which is made of iron and carbon. The presentation introduces learners to elements, compounds, and mixtures. They explore their similarities and differences, and then take...
Curated OER
Summary of Periodic Trends
This concise collection of images speaks volumes about the trends in the periodic table of elements. Different versions of the periodic table are displayed demonstrating different trends. Teachers' notes are included to assist your...
Chapman University
The Standard Model Poster
Chemistry classes will appreciate this color-coded, single-page reference sheet for The Standard Model of particle physics. It is divided into two main sections: elementary particles and compound particles, both with their antiparticles....
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Some Basic Chemical Ideas
In this chemistry worksheet, high schoolers fill in the blanks with the correct word from the word list. They examine the arrangement of elements in the periodic table.
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Chemistry - Science 10
In this chemistry science worksheet, students identify the parts of a chemical reactions. Students name the major particles of the atom. Students apply knowledge about the atom, theories, and models.
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Chemistry Scavenger Hunt
In this chemistry worksheet, students identify the three main phases of matter. Then they search for information about each element on a Chem Time Clock. Students use the chemical symbol to identify each element.
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Chemistry Unit on Compounds, Formulas, and Equations
Students perform a review assignment in 3 portions to review chemistry compounds, formulas, and equations. The assignment consists of several different portions that can be used as assessments. The majority of the lesson plan is composed...
Curated OER
A Compound Problem
In this compounds worksheet, students compare the differences between compounds and mixtures. This worksheet has 3 short answer questions.
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Naming Inorganic Compounds
In this inorganic compounds worksheet, students complete 2 charts by writing the names or chemical formulas of given ionic and covalent compounds.
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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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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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More Chemical Bonding
In this chemical bonding activity, students review the three types of compounds: ionic, covalent, and polyatomic. Students practice drawing the covalent bonds of given compounds. This activity has 5 drawings and 13 fill in the blank...