Joshua Conklin

How is color created? What are primary colors and complementary colors and what happens when you mix or subtract them. What is a shadow and how are colored shadows made?

"Details science experiments with light with explanations"-- Provided by publisher.

How do humans perceive time? What are the three different kinds of days? What is a shadow clock and how does it work? Using easy-to-find materials, you can conduct these fun and simple experiments to learn about the science behind time and how it has been measured throughout history.