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Popular Questions - Physics

Curvature of Space-Time Tutorial

Material Required:  Paper String Clear tape Thumbtacks Round object (ball or globe) Computer and internet access Protractor (if you don’t have one on hand you can get one here. Digital camera...

PHY-102: Chemistry Exercises

PHY-102: Chemistry Exercises Complete the following exercises. 1. Which of the following are physical properties? (Select all that apply) A. Color B. Hardness C. Density D. Flammability E....

Chemical and Engineering News

Chemical and Engineering News, a publication of the American Chemical  Society, has a feature called “What’s That Stuff?”  http://pubs.acs.org/cen/whatstuff/stuff.html These...

Chemical industry discussion

The chemical industry is enormous in the industrialized world. How has society benefitted from advances in the chemical industry? What negative effects has the growth of the chemical industry had on...

Radiation Discussion

This week you have learned about nuclear reactions and the resulting  radiation. In this discussion thread, you will be considering the health effects of radiation from nuclear reactions. Start by...

Spectroscopy Discussion

What do scientists use spectroscopy for? Research the uses of spectroscopy then describe one use and what we have learned from this use in your own words. Must have references and be at least 7...