Science Geek
Percent Composition, Empirical and Molecular Formulas
Help your pupils understand when empirical becomes molecular. The lesson presentation demonstrates the connection between empirical formulas and molecular formulas. Then, given percent composition, the lesson demonstrates the steps to...
National Institute of Open Schooling
Chemical Arithmetics
Substances with the same empirical and molecular formula must be differentiated by their structural formula. Part two in a series of 36 has pupils using chemical formulas to calculate how much of a compound is present in a given...
Science Geek
Naming Binary Molecular Compounds
She has been reading that book about helium all day; she just can't put it down! Presentation begins with the rules for naming binary molecular compounds using prefixes and suffixes. After a list of prefixes for review, it offers guided...
Steinhardt Apps
Kinetic Molecular Theory
Building off young chemists' knowledge of the states of matter, kinetic molecular theory is the focus of the unit. Eight days of lessons including multiple demonstrations, one lab experiment, directed instruction, and worksheets,...
Howard Hughes Medical Institute
Small-Molecule Diversity
One way to study the microscopic is to make it macroscopic. Each slide of the lesson presentation presents a different molecular model along with a brief description of the compound's function. Learners use the information to build...
Aquarium of the Pacific
Lego Molecules
Young scientists construct an understanding of molecular compounds in this hands-on science lesson. Using LEGO® to model the atoms of different elements, students build molecules based on the chemical formulas of common compounds.
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 the...
Science Geek
Gas Laws
A physical science presentation begins with an explanation of ideal gases and their behavior. Then it introduces all of the gas laws with descriptions and formulas.
Curated OER
Math Review: Algebraic Operations
Need to prep your science learners in math? Here is a resource that serves as a review guide to support your scientists with the math they need to be successful in chemistry. Comes with basic algebraic problems and a review of some...
Learning Games Lab
Nitrogen in Feed
Knowing what farmers are feeding livestock is just smart business. A WebQuest lesson helps learners build an understanding of the relationship between amino acids, nitrogen, and protein. With interactive instruction, scholars practice...
Teach Engineering
Viscous Fluids
Elasticity and viscosity. Help your class understand the similarities and differences with an introduction to viscous fluids. After describing four types of fluid behaviors: shear thinning, shear thickening, Bringham plastic, and...
Virginia Department of Education
Acids and Bases
What did one titration say to the other titration? We should meet at the end point! Young chemists perform four experiments: dilute solution, neutralization, titration, and figuring pH/pOH.
Science Geek
Stoichiometry
Watch your class react when you tell them they're going to study stoichiometry! The lesson demonstrates four examples. Scholars must write and balance the chemical equation and then make the conversion to find the correct mass or volume....