Never has hands-on science been so easy to do. The complete teacher instructions make the units easy to implement. Hands on Science-20 Themes covers important topics from Life Science, Earth Science, and Physical Science. Each of the 20 units includes the following sections: Teacher resource pages: materials list, objectives, preparation, background information, lab book instructions and answers, a learning visual. Reproducible student lab books: lab book pages present the steps for each activity and provide space for students to write observations and answers. The topics include: Aquarium, Sun and Shadows, Cold and Heat, Bubbles, Sink and Float, Water, Plants, Life Cycles, Light, Chemistry, Sound, Nutrition, Air, My Five Senses, Animal Behavior, Magnets, Color, Rocks and Soil, Weather, and Microorganisms.