What I've Learned This Semester

Once a semester I like to share my wealth of knowledge with you all, so that you can save yourselves a bundle by not having to attend college like I am.  You're very welcome!

1.  Math

A bookstore had 80 copies of a magazine.  Yesterday, it sold 1/5 of them.  Today, it sold 3/8 of the remaining magazines.  How many are left?

40 copies

2.  Music

Stalactites in caves may have been used as musical instruments in ancient times, hitting them to produce different sounds.

3.  Biology

At the cellular level of biological organization, atoms can be joined together to form ____, which make up organelles and then cells.

Molecules

4.  Criminal Justice

Plato's best known contribution to philosophy was his Theory of Forms.

5.  Art

Perspective:  The creation of the illusion of depth in a two-dimensional image by using mathematical principles.

*Ugh!  Why does everything have to be about math???

6.  Biology Lab

Hypertonic:  A solution with the higher solute concentration
Hypotonic:  A solution with the lower solute concentration
Isotonic:  When the osmotic concentrations of the solutions are equal.