Meet Peter and Mary, two inquisitive young people who want to be scientists when they grow up. Like all scientists, they enjoy doing experiments. And, like all young people, they don't have much money so they have to use simple and inexpensive materials. Luckily for them, there are plenty of experiments that can be done using just the things found at home! This book contains their first ten adventures. Read along as they ask questions, make predictions, and then see what the answer is!