Relighting Candles |
video, checked |
reaction, combustion, compound, physical-chemical change |
Igneous Rocks and Bubbles |
video, free, learnalong, Updated |
solution, states of matter, critical thinking, volcanoes, model, rocks |
Microscopes: Growing Crystals |
video, free, learnalong, Updated |
refraction, light, microscope, waves, classification, crystals |
Making Butter |
video, free, ClosedCaptions, Updated |
polar/nonpolar, solution, surface tension, digestive system, mammals, human body, mixture, water |
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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 |
|
Testing the Smoke Detector |
text page |
combustion, safety |
|
Dancing Raisins |
text page |
mass, solution, states of matter, observation, density, structure and function, water, force and interactions |
|
Potato Polarity |
text page |
reaction, electricity, element, compound, water |
|
Dew on the Window |
text page, free |
states of matter, thermal energy, water |
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Simple Electrolysis |
text page |
electricity, element, compound, water |
|
Sticky Water |
text page |
surface tension, water |
Growing Crystals from Solution |
text page, checked |
solution, states of matter, minerals, crystals, physical-chemical change |
|
A Clean Trick |
text page |
surface tension, water, force and interactions |
Making Egg Geodes |
text page, learnalong, checked |
solution, minerals, rocks, crystals, physical-chemical change |
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Melting Icebergs |
text page |
critical thinking, climate, model, density, water cycle, expand/contract, misconceptions, water |
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OJ Ice Crystals |
text page |
solution, states of matter, Variables and controls, investigations and experiments, water |
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Is it Safe to Heat Water in a Microwave Oven? |
text page |
solution, states of matter, critical thinking, model, safety, water |
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A Cool Experiment |
text page |
states of matter, thermal energy, physical-chemical change, water, energy |
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Egg in a Bottle |
text page |
critical thinking, reaction, combustion, thermal energy, engineering, pressure, expand/contract, misconceptions, force and interactions |
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Viscosity |
text page |
Variables and controls, measurement, compound, investigations and experiments, mixture, water |
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Adding to a Full Cup |
text page |
surface tension, properties, misconceptions, measurement, investigations and experiments, water, matter |
Understanding "Chemical Formula" |
text page, learnalong, checked |
chemical formula, minerals, rocks |
|
What Really Happens With Evaporation? |
text page, free, checked |
kinetic/potential, states of matter, atoms, critical thinking, thermal energy, weather, water cycle, misconceptions, physical-chemical change, water |
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Why We Use Soap |
text page |
polar/nonpolar, surface tension, investigations and experiments, mixture, water |
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Air has Weight |
text page |
mass, states of matter, critical thinking, properties, density, pressure, gravity, expand/contract, misconceptions, measurement, force and interactions |
|
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 |
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Black and White Smoke |
text page |
Variables and controls, reaction, combustion, investigations and experiments |
|
Feeling the Pressure |
text page |
senses, critical thinking, pressure, gravity, measurement, water, force and interactions |
Changing How We Look at Changing |
text page, free |
solution, states of matter, critical thinking, reaction, misconceptions, classification, physical-chemical change |
Squeezing Matter |
text page |
states of matter, properties, pressure, classification, measurement, force and interactions, matter |
