Two lips make sound
As motors go, this is about as simple as it gets.
Make a stack of blocks seem to defy gravity.
Using two eyes gives you depth perception.
Investigate how light and color interact by aligning three colored and one black overhead transparencies.
Calculate the weight of a car using just a ruler and a tire pressure gauge.
You can see the spring, but you can't touch it.
A face seen upside down may hold some surprises.
This toy uses components of force to walk and to stop at just the right time!
Whirling water creates a tornado in a bottle.
Make a lens and a magnifying glass by filling a bowl with water.
Rotating water has a curved surface.
Go ahead - hit it hard!
When you view short bursts of moving images, you see some interesting effects.
Sometimes what you taste has more to do with your eyes than your tongue: a "Science Snack" from the Exploratorium Teacher Institute.
Motion helps you see things you might miss otherwise.
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