Introduces basic facts about the construction and function of simple machines with instructions for related experiments and projects.
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Hassam Andrew
Experiments and other activities introduce building, how materials are used and joined together, and what gives structure its strength.
Introduces basic facts about the properties of flight with instructions for related experiments and projects.
Clarifies the study of the forces and principles involved with weather through the use of models and associated activities.
Introduces basic facts about sound, how it is produced, transmitted, and received with instructions for related experiments and projects.
Describes exactly what maps are, and what they tell us. How people used sticks and clay to plot their routes. Have satellites changed our view of Earth? Learn how the layers of a map are put together, and plan and draw your own map. By exploring mapmaking, one can find out how ma...