Discover more about how we use our five senses to observe and determine what is living and non-living.

		Video Gallery: Life at the Deep Sea Vents Evidence and Analysis for all grades up to 12 Descend nearly two kilometers below the Pacific's surface to a place devoid of sunlight—but not life. See the crabs, fishes, and worms that live near the sulfide chimneys at the Juan de Fuca Ridge.
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Discover more about the structure of plants.

		Plant Morphology Evidence and Analysis for grades 6 through 12 From leaf margin and arrangement to the parts of a flower and a corn seedling, take an illustrated look at plant morphology with this collection of guides.
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Discover more about how animal groups are alike and different.

		Online Field Journal: Compare Activity for grades Kindergarten through 5 No matter what the weather or season, you can explore nature with these 11 online challenges. See just how good your observation skills are by comparing butterflies, leaves, reptiles, fish, and more.
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		Online Field Journal: Field Journals Activity for grades Kindergarten through 5 Don't just explore the wonders of nature. Record them! From seashells and birds to animal tracks and spiders, these printable field journals are great guides for your next nature walk.
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		Diversity of Fishes: Bloch Illustrations Evidence and Analysis for all grades up to 12 A surgeon by training, Marcus Elieser Bloch became a student of fish by chance. Yet, more than two centuries later, his work is still world renowned. See why with these 34 hand-colored illustrations.
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Discover more about how and what animals eat, where they live, and how they protect themselves.

		Video Gallery: The Search for Food Article for grades 6 through 12 Sharks have incredible sensory systems. In fact, they just may have the most sensitive suite of senses of any animal on the planet. Take a quick look at these top predators.
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		Spotlight on Spiders Evidence and Analysis for grades 6 through 12 Not all spiders trap their prey in webs. Crab spiders patiently lie in wait, and wolf spiders actively hunt their prey. Take a closer look at the diverse spiders that live everywhere but Antarctica.
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