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Balloon Pairs text page critical thinking, engineering, pressure, structure and function, force and interactions, energy
Magnetic Lines? text page critical thinking, magnetism, misconceptions, force and interactions
Bernoulli Eggs text page critical thinking, motion, pressure, misconceptions, force and interactions
Marbles, Inertia, and Paper Plates text page, free newton's laws, critical thinking, inertia, observation, motion, friction, misconceptions, investigations and experiments, force and interactions
Bernoulli in the Shower? text page newton's laws, Variables and controls, critical thinking, observation, motion, engineering, pressure, structure and function, misconceptions, investigations and experiments, hypothesis, theory, and law, force and interactions
Trying to Blow Out a Candle text page critical thinking, observation, motion, engineering, pressure, structure and function, misconceptions, force and interactions
Exploring Friction text page mass, friction, measurement, investigations and experiments, force and interactions
Blowing Up a Phone Book text page cycles, engineering, structure and function, force and interactions, energy
Squeezing Matter text page states of matter, properties, pressure, classification, measurement, force and interactions, matter
Boomerangs text page newton's laws, critical thinking, inertia, motion, engineering, gravity, structure and function, force and interactions, energy
Snow Rollers text page mass, critical thinking, observation, seasons, motion, properties, weather, friction, water cycle, structure and function, force and interactions, energy
Whistle Stick video, text page, blog, free, checked motion, engineering, structure and function, sound, waves, force and interactions
Stirring Sand, part 2 text page newton's laws, inertia, observation, motion, density, investigations and experiments, force and interactions
Sorting Salt and Pepper, How Many Ways? text page, free mass, solution, static electricity, Variables and controls, critical thinking, observation, motion, properties, density, engineering, friction, electricity, structure and function, attract/repel, investigations and experiments, mixture, force and interactions
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
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
Cat Wiggles text page kinetic/potential, adaptation, vertebrates, behavior, model, muscular system, engineering, mammals, structure and function, skeletal system, anatomy, force and interactions, energy
Catching Money text page kinetic/potential, mass, newton's laws, inertia, motion, muscular system, structure and function, skeletal system, force and interactions
Collapsing Tent text page pressure, force and interactions, energy
Comb Kazoo text page pressure, sound, waves, force and interactions, energy
Whistle Stick, part 2 text page, free, checked kinetic/potential, newton's laws, critical thinking, inertia, cycles, motion, pressure, structure and function, sound, measurement, force and interactions, energy
Creeping Carpets text page critical thinking, observation, model, motion, engineering, friction, structure and function, investigations and experiments, force and interactions
Dancing Raisins text page mass, solution, states of matter, observation, density, structure and function, water, force and interactions
Balancing a Meter Stick text page mass, friction, force and interactions
Dirty Words of Science text page, blog, free critical thinking, information processing, pressure, misconceptions, force and interactions
Newton's Laws text page mass, newton's laws, critical thinking, inertia, motion, measurement, force and interactions, energy
Stirring Sand text page mass, newton's laws, critical thinking, inertia, observation, motion, investigations and experiments, force and interactions
A Clean Trick text page surface tension, water, force and interactions
Egg Bubbles? text page Variables and controls, critical thinking, thermal energy, engineering, pressure, structure and function, expand/contract, investigations and experiments, force and interactions
421 photo challenge tectonics, force and interactions

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