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Sail Fans text page newton's laws, critical thinking, model, motion, engineering, investigations and experiments, force and interactions
Cartesian Raisins text page solution, states of matter, Variables and controls, critical thinking, properties, density, engineering, information processing, pressure, investigations and experiments, mixture
An Easy Swing? text page newton's laws, critical thinking, inertia, motion, engineering, friction, structure and function, misconceptions, force and interactions, energy
Making Fault Blocks text page earthquakes, model, engineering, tectonics, force and interactions
Cat Twisting text page kinetic/potential, mass, newton's laws, adaptation, critical thinking, inertia, behavior, model, motion, muscular system, mammals, misconceptions, safety, anatomy, force and interactions, energy
AM/FM Radio Waves text page Variables and controls, cycles, engineering, electricity, information processing, magnetism, structure and function, waves, investigations and experiments, energy
Feeling Sound Waves text page senses, cycles, model, sound, waves, force and interactions
Cat Wiggles text page kinetic/potential, adaptation, vertebrates, behavior, model, muscular system, engineering, mammals, structure and function, skeletal system, anatomy, force and interactions, energy
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
Feeling the Pressure text page senses, critical thinking, pressure, gravity, measurement, water, force and interactions
Catching Money text page kinetic/potential, mass, newton's laws, inertia, motion, muscular system, structure and function, skeletal system, force and interactions
Lightning in Johnson Canyon photography, free atmosphere, states of matter, static electricity, weather, water cycle, electricity
945plastic bag on scale photo challenge mass, density, gravity, matter
278 photo challenge star, atoms, periodic table, nuclear, element, rocks
944Ball on paper plate photo challenge newton's laws, critical thinking, inertia, motion, friction, investigations and experiments, force and interactions
273 photo challenge vertebrates, behavior, birds, animals, force and interactions
942colorful crystals photo challenge observation, light, microscope, minerals
272 photo challenge senses, adaptation, vertebrates, amphibians, respiratory system, sound, waves, animals, evolution
941Cat in snow photo challenge states of matter, thermal energy, weather, water cycle, physical-chemical change, water
940Magnets photo challenge critical thinking, magnetism, investigations and experiments, force and interactions
935Sparks from Tesla coil photo challenge light, electricity, energy
928Snow on trees photo challenge states of matter, climate, thermal energy, weather, water cycle, water
925Sandstone cliff photo challenge mass, climate, thermal energy, weather, density
921Magnet and pennies photo challenge, free critical thinking, magnetism, energy
466 photo challenge atmosphere, sun, observation, refraction, density, light, waves
920Ice in bird bath photo challenge mass, states of matter, critical thinking, observation, density, physical-chemical change, water
442 photo challenge atoms, critical thinking, plant parts, information processing, misconceptions, nuclear, plants, measurement, energy
919Bowl of water on scale photo challenge mass, critical thinking, density, gravity, measurement, investigations and experiments
434 photo challenge critical thinking, observation, reflection, light, waves
917Pot of water photo challenge nuclear, element, compound, water, matter, energy

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