Curated OER
Empirical and Molecular Formulas
In this compounds instructional activity, students write the empirical formulas or the molecular formula for the given chemical compounds. This instructional activity has 20 problems to solve.
Curated OER
Writing Chemical Formulas
Students study how to write chemical fomulas by reviewing the combinations atoms form into compounds. They write a procedure to test various substances and name the compounds and write formulas. As they construct models for formulas and...
Curated OER
Polymers and Crystals: Their Role in Food Science
Blend chemistry with cooking in this exploration of polymers, carbohydrates, and food science. Experimenting with gelatin produces concrete examples of the bonding and ploymerization discussed in the lesson. Copious, comprehensive...
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...
Museum of Science
goREACT
Beginning Boyles and curious Curies can safely experiment with the virtual mixing of elements using this entertaining application.
Curated OER
Matter: Atoms and Molecules
Students investigate how information about the atom has been determined. In this atomic structure instructional activity, students draw what they think an atom looks like. They conduct Internet research about the types of atomic models...
Curated OER
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...
Biology Junction
Water, Solutions, pH, and Buffers
What common chemical includes safety warnings for being harmful if swallowed or inhaled, causes serious eye damage, and needs to be cleaned up immediately if spilled on the floor? Surprisingly, the dangerous chemical turns out to be...
Teach Engineering
Density and Miscibility
The liquids did not mix — so what do density columns have to do with it? The seventh part in a series of nine provides the theoretical explanation of why density columns do not mix. The lesson covers the topics related to...
Curated OER
Compounds and Molecules
In this compounds worksheet, students compare separating elements of a compound and substances in a mixture. Students review melting and boiling point. This worksheet has 1 fill in the blank and 5 short answer questions.
Curated OER
2007 U.S. National Chemistry Olympiad Local Section Exam
Sixty multiple choice questions cover the entire gamut of chemistry concepts. This is the local section of the U.S. National Chemistry Olympiad, where your chemistry candidates take a shot at entering the national competition. They...
Curated OER
More Fun with Lewis Structures
In this compounds worksheet, students draw the Lewis structures for the given compounds, being sure to show the bond angles and molecular shapes. This worksheet has 6 problems to solve.
Curated OER
Polymers Lab: Bouncy Ball and Slime
Eighth graders investigate chemical reactions to produce polymers. In this polymers lesson plan, 8th graders experiment with sodium silicate and ethyl alcohol to make a polymer. They also experiment with borax and glue to make a polymer....
Curated OER
Covalent Compounds
In this covalent compounds worksheet, students answer 8 questions about bonding in covalent compounds, covalent bonds, and diatomic molecules. Students draw 2 dot diagrams showing covalent bonding. They answer 4 questions about bacteria...
Curated OER
Review Sheet for Covalent Compound Quiz
In this covalent compounds worksheet, students name 6 compounds given their chemical formulas, they write the formulas for 6 compounds given their chemical names and they answer questions about boiling points and solubility. They write...
Curated OER
Molecular Mass and Percent Composition Worksheet
For this molecular mass and percent composition worksheet, high schoolers find the molecular mass of 10 compounds to three decimal places. They also find the percent composition of 7 compounds and express their answers to two decimal...
Curated OER
Formulas
There are two sheets here, with 100 problems total. The first half is a list of compounds, and your young chemists should write the chemical formula for each. The next fifty give the formula and the name is required. You...
Massachusetts Institute of Technology
List of Chemicals in Space
What is space made of? It turns out that there are many compounds found in space! The 10th lesson of a science series provides a list of the compounds found in space and asks young scholars to research the characteristics of these...
Royal Society of Chemistry
Organic Names—Functional Groups
Worried that your lesson plan about functional groups is dysfunctional? Liven things up with interactive puzzles! Curious chemists arrange functional groups based on name, formula, suffix, and an example. The challenge begins when the...
Royal Society of Chemistry
Naming Esters
Do your chemistry scholars know their esters? Introduce the class to the nomenclature and structural formulas of common esters through thought-provoking games. Individuals or pairs of pupils match the name with the formula before using...
Curated OER
WS 7.1.1 Molecular Compounds
In this molecular compounds worksheet, learners write the prefixes for the numbers one through ten. They name thirty compounds given their formulas. They write the formulas for twenty six compounds given their names.
Curated OER
Atoms, Molecules, and Ions
In this molecules worksheet, students review the parts of an atom and use element mass to determine isotopes. Students give the group, period, and classification for the given elements. This worksheet has 6 short answer questions and 17...
Curated OER
Making Compounds Study Guide
In this making compounds worksheet, students are given 5 atoms and they draw a diagram of each. They identify the atom to the right of each and name the compound they make. Students define the terms compound, molecule and chemical...
Curated OER
Main Group: Properties and Reactivity
In this main group learning exercise, 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...