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Puzzling out patterns
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Rebecca L. Johnson |
Discusses the mathematical tools and techniques that scientists use to gather, analyze and interpret data. Explains ratios, how to use them to make a scale model, and how to recognize patterns in rat… |
OL1875595W |
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The secret language
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Rebecca L. Johnson |
Examines how some animals communicate through the chemicals known as pheromones. |
OL1875599W |
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A walk in the deciduous forest
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Rebecca L. Johnson |
Takes readers on a walk through a forest of trees that lose their leaves in the fall, showing examples of how the animals and plants depend on each other and their environment to survive. |
OL1875606W |
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A walk in the desert
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Rebecca L. Johnson |
Describes the climate, soil, plants, and animals of North American deserts and the ways in which the plants and animals depend on each other and their environment to survive. |
OL1875608W |
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Braving the frozen frontier
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Rebecca L. Johnson |
Describes the day-to-day experiences of several women who work as scientists, helicopter pilots, snowplow drivers, and doctors in Antarctica. |
OL1875618W |
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A walk in the boreal forest
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Rebecca L. Johnson |
Describes the climate, seasons, plants, animals, and soil of the boreal forest, a biome or land zone, which stretches across the northern parts of North America, Europe, and Asia. |
OL1875628W |