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Spider Spotting text page food web, invertebrates, arthropods, ecosystem, animals
Our Wildlife Garden text page, johnson invertebrates, arthropods
Food Web TagGrasshopper on flower text page food web, Impact of humans, photosynthesis, Variables and controls, model, plants, animals
Arm Raising text page senses, critical thinking, muscular system, information processing, nervous system, human body, anatomy
Cooling Fans text page states of matter, Variables and controls, critical thinking, thermal energy, body covering, structure and function, human body, investigations and experiments, water
Thoughts on an Exoskeleton text page, free growth and development, invertebrates, adaptation, arthropods, cycles, body covering, structure and function, skeletal system, animals
Bread Bubbles text page cells, growth and development, model, reproduction, respiratory system, digestive system, structure and function, fungi, investigations and experiments
What is a Food Web? text page, free, checked food web, Impact of humans
Bad Chocolate? text page senses, states of matter, Variables and controls, critical thinking, observation, properties, digestive system, investigations and experiments, mixture, crystals, physical-chemical change
Spotting Mule Deer text page, johnson invertebrates, arthropods, behavior, ecosystem, reproduction, mammals
Muscles Don't Push text page muscular system, engineering, structure and function, misconceptions, skeletal system, human body, anatomy
Who Evolved on First? text page, free, checked genetics, adaptation, critical thinking, misconceptions, evolution, hypothesis, theory, and law, geologic time, fossils
Bean Power text page cells, growth and development, osmosis, critical thinking, plant parts, reproduction, structure and function, plants
Breathing Hot and Cold text page states of matter, Variables and controls, critical thinking, observation, thermal energy, engineering, respiratory system, information processing, structure and function, misconceptions, human body, investigations and experiments, water, force and interactions

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