This is an activity about perspective. Learners will examine pictures of objects up close and far away to try and figure out what they are. Then, given an image of a star and the Sun and through discussion about the differences and similarities of... (View More) seeing objects up close, learners will use the concept of perspective to relate our nearby Sun to the stars that appear as small points of light in our sky. (View Less)

In this hands-on activity, learners begin by estimating the size of each planet in our Solar System and Pluto and making each out of playdough or a similar material. Then, learners follow specific instructions to divide a mass of playdough into the... (View More) size of each planet and Pluto and compare the actual modeled sizes to the students' own predictions. This activity requires a large amount of playdough material per group of learners. Three pounds is the minimum amount required for each group. (View Less)

This is an activity about the size of the Sun. Learners will construct a pinhole camera and, using the projected image of the Sun, calculate its diameter. After calculating the diameter of the Sun, learners will create a classroom sized scale model... (View More) of the Sun and Earth. This activity requires use of a sunny outdoor location to be able to use the pinhole cameras. (View Less)

This is an activity about identifying constellations. Learners will look for constellations in the Sky Tonight online program, draw images of these constellations, and attempt to find them in the night sky. Learners will also be asked to make... (View More) connections between the shape of a constellation and its namesake. This activity requires the use of a computer with Internet access. It also requires access to the clear night sky. This activity is Sky Tonight Activity 1 in a larger resource, Space Update. (View Less)