Sökt på: paul fleisher
totalt 18 träffar
Doppler Radar, Satellites, and Computer Models
How do scientists predict the weather? What tools and instruments help them make forecasts? How far in advance can they make good predictions?Weather forecasting is a tricky …
Ocean Food Webs in Action
Seals, otters, oysters, fish, pelicans, and sharks are a few of the animals that make up an ocean food web. But did you know that almost all ocean creatures depend on algae to …
Gases, Pressure, and Wind
Why does the wind blow? What does air pressure have to do with a thunderstorm? Why is a mountaintop snowy while the valley below is warm? The answers to these questions all involve …
Tundra Food Webs in Action
Audisee(R) eBooks with Audio combine professional narration and text highlighting for an engaging read aloud experience! Moose, lemmings, owls, wolves, bumblebees, and grizzly …
Lightning, Hurricanes, and Blizzards
What causes thunderstorms and lightning? Where and why do hurricanes form? How are blizzards more dangerous than other snowstorms? To answer these questions, you ll need to know …
Grassland Food Webs in Action
Audisee(R) eBooks with Audio combine professional narration and text highlighting for an engaging read aloud experience! Prairie dogs, vultures, grasshoppers, goldfinches, pocket …
Objects in Motion
Have you ever wondered why things drop to the ground instead of float or fly? Or how a heavy satellite can orbit Earth without crashing into it? From Copernicus and Kepler to …
Desert Food Webs in Action
Audisee(R) eBooks with Audio combine professional narration and text highlighting for an engaging read aloud experience! Snakes, lizards, rabbits, mice, mountain lions, and hawks …
Liquids and Gases
Do you know why a 10-ton boat floats but a tiny pebble sinks? Or why a hot air balloon will rise, but when you inflate a balloon it drops to the ground? From Archimedes and Boyle …
Relativity and Quantum Mechanics
Do you ever wonder why it seems like you are not moving even though you are standing on a planet that moves through space? How does matter turn into energy? From Lavoisier to …