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In this activity, learners will measure the length of their shadow from the Sun and compare it three to four months later.

This is a classic exercise for visualizing the scale of the Solar System.

In this activity, learners observe the moon each night for a month and draw their observations in a Moon Watch Log.

In this sunny day, outdoor activity, learners observe changes in shadows over time. The activity also helps to develop a sense of the Earth's motion.

Learners investigate why the Sun and Moon appear the same size in the sky even though the Sun is over 400 times larger in diameter.

In this math activity related to light, learners assemble a photometer and use it to estimate the power output of the Sun.

In this online interactive challenge, learners choose items to represent the Earth or solar system, then determine other items to represent the Moon, or Milky Way based on their relative size.

In this activity, learners explore how distance can affect the way we perceive the size of an object.

In this "Sid the Science Kid" activity, learners set up a simple experiment to find out how sunscreen counteracts the effects of the sun.

In this activity, learners make a flip book that shows the progression of two solar events on reversible sides of the flip book.