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Groups of learners are provided with a generic car base and an egg. Their mission: design a device/enclosure to protect the egg on or in the car as it rolls down a ramp with increasing slopes.

In this activity, learners will measure the length of a shadow and use the distance from the equator to calculate the circumference of the earth.

This activity helps learners understand how the angle of the Sun affects temperatures around the globe.

This activity (8th activity on the page) tests learners' ability to identify things using only the sense of hearing.

In this activity, learners use a compact disc to make a spectrometer, an instrument used to measure properties of light.

In this math activity, learners observe and sketch cracking patterns in pavement.