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Who Evolved on First? text page, free, checked genetics, adaptation, critical thinking, misconceptions, evolution, hypothesis, theory, and law, geologic time, fossils
Fingerprints video, checked information processing, body covering, classification, human body
What is a Food Web? text page, free, checked food web, Impact of humans
100 photo challenge, checked birds
109 photo challenge, checked invertebrates, arthropods, misconceptions
Koffka Ring Illusion video, checked senses, observation, information processing, nervous system, human body, measurement, investigations and experiments
Feathers video, checked adaptation, engineering, birds, body covering, structure and function, force and interactions
118 photo challenge, checked adaptation, ecosystem
Why We Sweat video, checked states of matter, Variables and controls, adaptation, critical thinking, observation, thermal energy, body covering, structure and function, human body, investigations and experiments, water, energy
When Does a Theory Become a Law? text page, free, checked evolution, hypothesis, theory, and law
A Color You Can't See video, free, checked electromagnetic spectrum, senses, engineering, light, information processing, misconceptions, waves
A Walk in the Park video, checked food web, growth and development, Impact of humans, invertebrates, adaptation, arthropods, observation, plant parts, vertebrates, behavior, ecosystem, reptiles, birds, fungi, plants, animals
Calling a Woodpecker video, checked Impact of humans, senses, critical thinking, observation, vertebrates, behavior, birds, information processing, sound, waves, animals
The Water Cycle video, checked states of matter, cycles, weather, water cycle, digestive system, plants, animals, water
Yeast and Sugar, part 2 video, checked cells, food web, growth and development, Variables and controls, observation, reproduction, digestive system, fungi, measurement, investigations and experiments
Producers video, free, Updated, checked food web, photosynthesis, plant parts, cycles, ecosystem, plants
117 photo challenge, checked senses, adaptation, reptiles
Color Changing Flowers video, checked acid-base, plant parts, plants, indicator
Measuring in Feet video, ClosedCaptions, checked skeletal system, measurement, anatomy
Microscopes: Making a Hay Infusion video, free, learnalong, checked cells, food web, observation, ecosystem, protist, microscope
Nature Watching video, checked food web, growth and development, invertebrates, adaptation, observation, plant parts, vertebrates, behavior, ecosystem, reproduction, algae, fungi, plants, animals, evolution
Reading a Skeleton video, free, checked Halloween, muscular system, skeletal system, human body

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