American Chemical Society
A Catalyst and the Rate of Reaction
More than 90 percent of chemical products are made using a catalyst. Lesson demonstrates the way a catalyst changes the rate of reaction without altering the chemical reaction. A catalyst doesn't appear as a reactant or a product, yet it...
Curated OER
Archery
Students are shown proper stance, nocking, targeting, and release techniques of archery. They follow basic safety procedures involved in handling and using archery equipment. Students practice shooting aluminum or fiberglass shaft arrows.
Curated OER
ESOL Safey and Security
Students study vocabulary words related to safety and warining signs. They write and practice saying the words. They view picture flash cards and attach different signs to the safety situations. They work in groups to create a...
Cornell University
Atomic Bonding
Explore the connection of surface area to bonding within atoms. Learners complete lab investigations to model changing surface area with different sizes and concentrations of atoms. A flour fireball demonstration follows the labs to...
Curated OER
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...