935 |
photo challenge |
light, electricity, energy |
928 |
photo challenge |
states of matter, climate, thermal energy, weather, water cycle, water |
925 |
photo challenge |
mass, climate, thermal energy, weather, density |
921 |
photo challenge, free |
critical thinking, magnetism, energy |
Minerals: Fracture |
video, learnalong, checked |
properties, structure and function, classification, minerals, measurement, crystals |
Microscopes: Making a Wet Mount |
video, learnalong, checked |
observation, refraction, reflection, light, microscope |
Microscopes: Making a Dry Mount |
video, learnalong, checked |
observation, refraction, light, microscope |
Introduction to Microscopes |
video, learnalong, checked |
refraction, light, microscope |
Identifying Minerals |
video, learnalong |
properties, information processing, classification, minerals, element, measurement, rocks, compound |
Microscopes: Growing Crystals |
video, free, learnalong, Updated |
refraction, light, microscope, waves, classification, crystals |
Laser Projection Microscope |
video, learnalong, checked |
refraction, reflection, engineering, light, microscope, waves |
Minerals: Hardness |
video, learnalong, checked |
properties, classification, minerals, measurement |
Minerals: Streak |
video, learnalong, checked |
observation, reflection, light, classification, minerals, measurement |
Growing Crystals Under the Microscope |
video, free, learnalong, checked |
refraction, light, microscope, waves, classification |
Minerals: Luster |
video, learnalong, checked |
observation, properties, reflection, light, classification, minerals |
Sunglass Science: Birefringence |
video, free, Updated |
refraction, light, structure and function, waves |
Is Gravity a Theory or a Law? |
text page, free |
gravity, hypothesis, theory, and law |
Teach It Right the First Time. |
text page, free |
states of matter, critical thinking, information processing, misconceptions, matter |
Yellowing Paper |
text page, free, checked |
electromagnetic spectrum, science fair, Variables and controls, critical thinking, observation, light, investigations and experiments, physical-chemical change, energy |
Sunglass Science: Polarized Light |
video, free, Updated |
refraction, properties, light, waves, energy |
What is a Higgs boson, and why should I care? |
text page, blog, free, checked |
mass, atoms, critical thinking, model, information processing, misconceptions, hypothesis, theory, and law, matter |
Dew on the Window |
text page, free |
states of matter, thermal energy, water |
Dirty Words of Science |
text page, blog, free |
critical thinking, information processing, pressure, misconceptions, force and interactions |
Whistle Stick |
video, text page, blog, free, checked |
motion, engineering, structure and function, sound, waves, force and interactions |
Making a Screamer |
video, free, Updated |
Halloween, Holiday, cycles, motion, engineering, pressure, structure and function, sound, force and interactions, energy |
Mirage |
video, free, ClosedCaptions, Updated |
critical thinking, refraction, weather, density, light, structure and function, waves |
Eclipse Watching |
text page, free |
electromagnetic spectrum, senses, sun, light, moon, solar system, safety, waves |
Electricity |
video, free, Updated |
static electricity, electricity, attract/repel, energy |
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 |
331 |
photo challenge, free |
static electricity, critical thinking, weather, engineering, electricity, structure and function, misconceptions, safety |