Early in the 17th century, Francis Bacon decided that the best way to learn about the world was to discover things for oneself. Since then, science has been a marriage of observation and experimentation. The experiments contained in each chapter allow young scientists to investigate basic principles using common household materials and easy-to-follow instructions. The titles are filled with dozens of color photographs that illustrate experiments and provide a glimpse of everyday and extraordinary uses of the subject. In addition, engaging features such as "Did You Know?" boxes provide fascinating facts. The "In Focus" sections offer in-depth looks at specific features of each subject. "In The Real World" boxes highlight pivotal experiments by real scientists.
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THE ROLE OF THE
WINDS AND HOW THEY BLOW
TORNADOES AND HURRICANES
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2Mark air currents air moves amount of moisture atmosphere bulb called circle cold cool cumulonimbus cumulus clouds currents of warm droplets and ice DRY HYGROMETER dust devil electric charge equator experiment face the Sun fall as rain fastest winds Fit the pencil foil Food coloring glass happening heat hemisphere tilted hole humidity Hurricanes form ice crystals Instrument for measuring km/h layers lid or dish light low pressure mark marker pen measure winds midday neck nimbostratus northern hemisphere Pacific Ocean pane or mirror particles pen and ruler plastic poles polyethylene sheet positive charge protractor Re-usable poster putty real world rising air scientist Scissors Shadows are shortest shampoo bottle shine the flashlight slot soft drink bottle Solar constant static electric Stratocumulus straw sundial sunlight surface tape thermals thermometers thunderclouds Tropical storm water droplets water vapor WEATHER VANE wind is blowing winds blow winds on Earth