(Complete Item Description)
- Abstract:
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The boy would feel less secure if the safety net around the trampoline wasn't there. Humans have an innate need to feel secure in their environments.
- Subject:
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Science and Technology
- Grade Level:
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Primary,
Secondary
- Collection:
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Video and Image Data Access
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Animals that interact with each other can exhibit a type of relationship called commensalism. In commensalism, one organism benefits in some way while the other organism is neither helped nor harmed.
- Subject:
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Science and Technology
- Grade Level:
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Primary,
Secondary
- Collection:
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Video and Image Data Access
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No Strings Attached
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No Strings Attached
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No Strings Attached
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(Complete Item Description)
- Abstract:
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Sharks are known for being good swimmers and have very streamlined bodies to keep from slowing down in the water. Their top fins (dorsal) is used to stabilize the animal and the other fins are used to cut through the water. Sharks and fishes move the same.
- Subject:
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Science and Technology
- Grade Level:
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Primary,
Secondary
- Collection:
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Video and Image Data Access
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No Strings Attached
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No Strings Attached
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No Strings Attached
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(Complete Item Description)
- Abstract:
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All experiments performed by scientists should be able to be repeated by any other scientist with the same outcome. This experiment with celery in four different water environments is a simple experiment you can perform at home. You will achieve the same results.
- Subject:
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Science and Technology
- Grade Level:
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Primary,
Secondary
- Collection:
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Video and Image Data Access
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(Complete Item Description)
- Abstract:
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Although this muskmelon plant has wilted from a bacterial infection, plants can wilt for other reasons and look just like this one. Plants can be over-watered and under-watered. Plants have a range of tolerance in which they can grow. Plants also have an optimum amount of water they can receive and take up. They grow best in their optimum condition.
- Subject:
-
Science and Technology
- Grade Level:
-
Primary,
Secondary
- Collection:
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Video and Image Data Access
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No Strings Attached
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