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

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

In this physics activity, learners assemble and/or investigate a pendulum "snake." Several large steel hex-nuts are suspended on strings of successively increasing length to form a series of pendulums

In this demonstration, learners explore a variation of a Foucault pendulum, but upside down.

In this physics crime lab or demonstration, learners pretend they are criminologists and must find the "muzzle velocity" (speed of the bullet as it leaves the gun) of a gun used to commit a crime.

In this activity, learners will explore how a hydrometer works by building a working model and conducting experiments.