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 visualReproducible 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:AquariumSun and ShadowsCold and HeatBubblesSink and FloatWaterPlantsLife CyclesLightChemistrySoundNutritionAirMy Five SensesAnimal BehaviorMagnetsColorRocks and SoilWeatherMicroorganismsThis resource contains teacher support pages, reproducible student pages, and an answer key.