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Which End is Up?
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Its outside skin looks dead and its inside skin looks alive. It looks like an onion. I wonder if you can plant it. How come it has so many layers? These candid observations and "wonderings"...
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Getting to Know Plants
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What should kids know about plants? The formula for photosynthesis? The difference between a taproot and fibrous root? A botanist and a fourth grade teacher might have very different...
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A Soil Profile
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To facilitate student investigations, it helps to have a basic understanding of what makes soils "tick" and to learn some of the lingo of soil science.
The...
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The Soil/Water Equation
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Soil and water have a dynamic and important relationship. Different-sized soil particles create air spaces that can hold air or water. When rain falls, water and dissolved nutrients...
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Plants and Soil
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Students sometimes believe that plants get their "food" from the soil. Scientists, meanwhile, understand that plants manufacture their own food -- simple sugars -- using energy from...
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Reading Your Plants
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Enough already about reading books about plants. If you're hoping to help plants thrive in a classroom garden, consider the importance of "reading your plants." A leggy bean or yellowed...
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Digging Into Grasses
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"My third graders didn't have a lot to say about grasses when we first started discussing them," reports Durham, NC, teacher Judy Rucker. "They frankly thought grasses were rather boring,...
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Fungi Fever
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I recently thought nothing of mushrooms, then I learned that they are nutritious and taste great! I have grown a respect for mushrooms and now think twice before stomping one in...
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Field of Greens
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"Several years ago, as part of a math unit on grids and measurement, my fourth graders grew grasses right at their desks in mini-greenhouses made from recycled plastic containers,"...
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Grass Feeds the World
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Students' eyes might roll when you ask, Who eats grass for breakfast? Seize the opportunity to challenge them to bring in empty boxes, wrappers, or containers of things they...
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National Gardening Association