Curated OER
Predicting Molecular Shapes
In this molecular shapes worksheet, learners read about how to predict molecular shapes in molecules based on the number of electron pairs and the VSEPR theory. Students are given twelve molecules, they draw the Lewis structures and...
Curated OER
The Elements
Students watch video, The Elements, research information about elements using both the Internet and CD-ROM program, and create atoms out of gumdrops and licorice.
Curated OER
What's Matter?
Students explore many of the basic properties of matter including atoms, ions, elements, molecules, and density. The class explores an interactive flash-animated Web site to answer questions and clarify misconceptions they might have had...
Curated OER
Balancing Equations
In this balancing equations worksheet, students balance ten equations by placing the proper coefficients in front of reactants and products to balance the number of atoms.
Curated OER
Interpreting Chemical Formulas
For this chemical formulas worksheet, students determine the number and type of each atom and the total number of atoms for the given formulas. Students complete 10 problems.
Curated OER
Matter, Matter
Students define vocabulary related to the parts of the atom. In this matter lesson, students navigate the web to find the structure and the forces that affect atoms. Students complete an experiment with positive and...
Curated OER
Mixtures, Solutions and Matter
In 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.
Curated OER
Chemical Changes in Matter
In this matter and chemical changes activity, students write symbols and formulas for 2 chemical reactions. They write words for 1 chemical reaction given in symbols and formulas. They draw a diagram representing a chemical reaction and...
Curated OER
Molecular Mass and Percent Composition
In this molecular mass and percent composition worksheet, students complete 5 sections where they determine atomic masses of given elements, they determine formula masses for given molecules, they find the molecular mass of 12 molecules...
Curated OER
Balancing Equations Challenge
In this balancing equations worksheet, high schoolers 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.
Curated OER
IUPAC Rules for Naming Compounds with Functional Groups
In this naming compounds with functional groups worksheet, students read about using the IUPAC rules for naming these compounds and they draw structures for 3 -carbon, 2-carbon and 4-carbon molecules and give the names for each.
Curated OER
Periods and Groups; Valence Electrons; Masses
In this periods, groups, valence electrons and masses worksheet, students are given information about all these components of the periodic table. Students identify 4 elements in specific periods and groups, they find the valence...
Curated OER
Polarity Homework
For this polarity worksheet, students are given 5 compounds and they draw the Lewis structure for each, they identify the bond angels, they write the molecular shape and they determine the polarity of the molecules. Honors students...
Curated OER
Moles Homework-Honors Chemistry
In this moles worksheet, students are given 9 problems where they find the number of grams, molecules, moles, or ions given one of these measurements and the chemical compound. Students calculate the number of atoms in a gallon of...
Curated OER
What do Chemists See When they Look at Chemicals?
In this chemicals activity, students answer 15 multiple choice questions about chemicals, compounds, inorganic and organic molecules.
Curated OER
Percent Mass, Moles, and Avogadro Worksheet
In this moles worksheet students complete a set of calculations to find how many atoms and moles are in different substances.
Curated OER
Organic Worksheet
For this organic molecules worksheet, students solve twelve problems. They identify functional groups of organic molecules, they draw isomers, and they give structural and molecular formulas for compounds.
Curated OER
Reaction Reasoning
Third graders experiment with chemical reactions and examine what happens to the atoms when different reactions occur. In this matter lesson students divide into groups and complete a lab experiment.
Curated OER
Combination of Atoms
In this atoms worksheet, students review protons, neutrons, electrons, molecules, compounds, and ions. This worksheet has 10 fill in the blank and 3 problems to solve.
Curated OER
Physical Science Project-Atom
Fifth graders investigate atoms. In this atom lesson, 5th graders investigate the parts of an atom. Students explore atom numbers and determine the number of electrons is in each atom.
Science Geek
Covalent Bonding
When it comes to covalent bonds, sharing is caring. Presentation covers the octet rule with multiple examples, Lewis Dot Structures with an example, and resonance. Presentation is the first in a five-part series.
Science Geek
The Mole
What can you call a tooth in a glass of water? A one-molar solution! Presentation covers moles, Avogadro's Number, calculating formula mass, converting moles to grams, converting grams to moles, and calculations with moles. It is...
Science Geek
Intermolecular Forces of Attraction
Chemists love London (dispersion forces)! Presentation begins with an explanation of intermolecular forces including hydrogen bonding, dipole-dipole attraction, and London dispersion forces. It also covers polarity and the relative...
Virginia Department of Education
Molecular Model Building
During this hands-on activity, young chemists build molecular models based on the Lewis dot structure before studying valence shell electron pair repulsion theory.