# not creation science

## CK-12: Free, quality math and science curriculum

This site features textbooks in a flexible format called "Flexbooks" available for free download and printing. Most programs include a Teacher's Edition, workbooks, and other supplementary material, all for free. The topics at the moment include middle school and high school level math and science. The science is mainstream (evolution is included in Life Science and Biology programs). The Chemistry course includes labs. The math is fairly traditional and includes Algebra, Geometry, Trigonometry, Probability & Statistics (AP), and Calculus (AB). Free S

## Virtual Age- Dating: a free interactive tool that explains "carbon" dating

Virtual age-dating is an interactive tool that describes how geologists and archeologists are able to determine the age of samples. Aimed at high school level and above, but an interested middle school level child could grasp the concepts introduced with help. Students should be familiar with the concept of ions , percentages and how to read data off a graph to do the exercise. FWIW, I think the scale of some of the graphs are poorly chosen, and make it difficult to be as precise as the exercise requires; a per