On Line Study Guide/reaction Rates and Equilbrium

Test your knowledge and understanding on unit conversions by completing this study guide. Review topics such as temperature conversions, density conversions, density calculations, and rounding unit conversions.

The four cycles in Earth's biogeochemical system are covered in this worksheet. Science stars fill in the blanks or define vocabulary terms pertaining to the hydrologic, carbon, nitrogen, and phosphorous cycles. This resource provides a...

You can speed up or slow down a reaction when you know these factors. Learners explore the factors affecting reaction rates such as catalysts and inhibitors, temperature, surface area, and concentration. The video provides examples for...

Mr. Mole and Mr. Matchmaker entertain and educate your chemists about how quickly or slowly reactants are used up in a chemical reaction. Thorough explanations of the influencing factors are offered, and demonstrations are done. After...

This comprehensive study guide covers the main terms and concepts needed for an earth science unit on the distribution of water on earth. Review questions are included at the bottom of the study guide.

This study guide on motion covers some key vocabulary and terms to describe motion: displacement vs. distance, acceleration, speed vs. velocity, and instantaneous vs. average. It includes graphs showing distance vs. time, velocity vs....

This study guide on circular motion covers key terms, centripetal force, linear vs. circular motion, precession, and equations. Includes four example problems with detailed solutions. The guide is available for download with free...

Does increasing temperature increase the rate of a chemical reaction? Junior chemists examine the effects of temperature on reaction rate using an engaging interactive. Pupils select the temperature of the reaction vessel, then observe...

How are chemical reactions like dating? A collision must first occur! In this hilarious approach to speeding up chemical reactions, viewers find out that five changes can increase the rate of reaction: smaller space, increased number of...

Have you ever pulled a muscle or just been sore after a long day of work or exercise? Hot showers are great, but maybe you've used the more convenient heat packs. Heat packs, which you can buy at grocery or drug stores to soothe aching...