Learn how to identify types of variables in a simple experiment with bouncing balls.
Part 2 of Controlling Variables: learn how to identify types of variables in a simple experiment with bouncing balls.
Reviews the nature of scientific experiments, including experimental variables and controls.
Come up with questions about a topic and learn new vocabulary words to determine answers using an Ask, Answer, Learn table.
Discover how scientists have developed a new type of nontoxic dispersant that helps break up oil spills without harming marine life.
Find out how deodorants and antiperspirants work and when to use each type of product.
Discover why golf balls have dimples and how dimples on the surface of vehicles could improve fuel efficiency.