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In this activity, learners will investigate how craters are made and the different factors that contribute to size left from the impact.

In this activity, learners explore the relative sizes and distances of objects in the solar system.

In this activity, learners build a simple pinhole viewer. They use this apparatus to project images from a variety of light sources, including a candle, the Sun, and the Moon.

In this activity, learners investigate the formation of craters. Learners will examine how the size, angle and speed of a meteorite's impact affects the properties of craters.

In this activity, learners make a scale model of the Solar System and learn the real definition of "space." Learners use the online calculator to create an appropriate scale to use as a basis for thei

Learners build a model of the planets in the solar system. In their model, the planets are spaced in their relative distance from the Sun.

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