Two new Start with Science books introduce kids to core science concepts through engaging stories, fresh illustrations, and supplemental activities. When Oscar the kitten finds a tractor in a field and accidentally turns on the windshield wipers, he is full of questions about electricity. Luckily, Bird knows the answers! With the help of his friend, Oscar finds out how electricity is made and stored, which machines need electricity to work and why we always need to be careful around wires, batteries, plugs, and sockets. From the Hardcover edition.