"Ciencia Experimentos." . . "Models (Patterns) Juvenile literature." . . . . "Simulación (Matemáticas) Métodos." . . "JUVENILE NONFICTION / General" . . "Sturm, Jeanne" . . "JUVENILE NONFICTION / Science & Nature / Experiments & Projects" . . . "Electronic books" . "Electronic books"@en . "Juvenile works" . . . . . "An introduction to models looks at the numerous ways they are used to help us understand and test the world around us." . . . . . "Comprensión de los modelos" . . . . . . . . . . . . "Understanding Models"@en . . . "Understanding models" . . "Models and model making Juvenile literature." . .