Offers instructions for a series of experiments and projects in geography, chemistry, meteorology, geology, biology, and engineering.fun and easy experiments for kids Robert W. Wood. ~ Experiment =aai^= Middle, Average, Median, and Mean Examine the map of the world, and notice the different surface area. The earth has a surface area of about 197 million square milesanbsp;...
|Title||:||The McGraw-Hill big book of science activities|
|Author||:||Robert W. Wood|