Curated OER
Computer Interfacing: Frequency Measurement - The Doppler Effect
Students explore the Dollper effect by finding the frequency and velocity of sound. In this velocity lesson, students determine the impulse during a collision by using their data and a software program.
Curated OER
Module 7 Revision Guide - Chemistry
Two versions of this handout are provided, the second with more detailed information on the same topics. Chemistry aces survey chemical reactions, heat energy transferred, and the action of enzymes by reading this resource. You can...
Curated OER
Effect of Concentration of the Reactants
Students experiment to determine the effect of the frequency of collisions between atoms or ions of the reactants. They investigate the rate at which aluminum replaces hydrogen from a solution of hydrochloric acid.
Science Friday
Make a Model Eardrum to Detect Sound Waves
Make sound waves visible with an experiment that asks middle schoolers to build a model ear drum using plastic bottles, rubber bands, plastic wrap, and sand-like substances.
Curated OER
Suffixes That Sound Like "Shun"
The suffix, -tion is used with great frequency in our language. This presentation challenges learners to fill in charts with words that use this suffix. They must think of words that end in -cian, -sion, -ssion, -tion, and even words...
Rice University
College Physics for AP® Courses
Take a look at an organized physics course. The 34-section electronic textbook covers material in AP® Physics 1 and 2. Teachers use the text to supplement lectures and have the class work through the labs. Each section contains multiple...
Curated OER
The Speed of Chemistry
In this rates of chemical reactions worksheet, high schoolers read about the various factors that influence the rate of chemical reactions such as surface area, concentration, temperature and catalysts. Students answer eight questions...
Discovery Education
Sonar & Echolocation
A well-designed, comprehensive, and attractive slide show supports direct instruction on how sonar and echolocation work. Contained within the slides are links to interactive websites and instructions for using apps on a mobile device to...
Pingry School
Kinetics of the Acid Decomposition of Thiosulfate
Several factors affect the rate of a chemical reaction including temperature, surface area, and concentration. Using an experimental approach, learners explore the effect concentration has on this rate while maintaining consistency with...
