Turn to Hands-On Science-20 Themes for 20 highly motivating, classroom-tested science units that help students learn by doing. Students practice the scientific inquiry skills outlined in the National Science Education Standards. 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 Microorganisms This resource contains teacher support pages, reproducible student pages, and an answer key.