Dr Will McCarthy's Science Site

Here are the steps to balancing a chemical equation. Here's a brief summary: (1) Law of Conservation of Mass :  For each element, the ...

The Unit Circle is a circle with a radius of 1, and which is centered at the origin (0,0). Its equation is:  x 2  +  y 2  = 1. Its equatio...

Review the following formulas, write them out , and solve the problems on the following link: http://www.staff.vu.edu.au/mcaonline/units/tr...

In endothermic reactions, the products have more energy than the reactants. Heat is absorbed from the surroundings (e.g., a cold pack). In...

How can you decompose vectors into their components? See this website to find out more: http://www.sparknotes.com/testprep/books/sat2/phys...

The following video gives the "big picture" of the mole and its applications. The big picture of the mole from the Chem Collect...

Avogadro's number...How big is it? Can a person count to this number in their lifetime (counting once per second)? How far away from ...

What happens when you add similar sine waves together? Any musician can tell you: as you tune an instrument closer and closer to the correct...

When you go to get a blood test, for what is the doctor looking? That depends on your age, gender, and symptoms. See the following website ...

Continue adding up sine waves until you get an almost perfect square wave. Try changing the number of terms that make up the sum. Move the ...