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In this activity about light and reflection, learners use a special device called a Mirage Maker™ to create an illusion.

This is an activity (located on page 131 of the PDF) related to sleep and circadian rhythms as well as space travel.

In this activity, learners use a laser pointer, empty soda bottle, rubber plug and water to demonstrate total internal reflection.

In this space science activity, learners explore transits and the conditions when a transit may be seen.