Don't just look at pictures of the Milky Way galaxy, build it with this hands-on activity in which scientists recreate the galaxy we live in.

How do you put something as large as the universe in perspective? Use a series of scale experiments. Classmates collaborate around four experiments to examine the scale of the earth-moon system, our solar system, the Milky Way galaxy,...

How does the color of the sky change from blue to reds and oranges to black? An illuminating lesson explains how light travels through different mediums using the sun's light as an example. By examining diagrams and illustrations, pupils...

In this brightness of stars worksheet, high schoolers answer 7 questions about the apparent magnitudes of stars, the sun, and the moon. They compare the brightness of stars, galaxies, astronomical objects and the sun.

Finish or launch your unit on the solar system with a jigsaw project covering major celestial concepts such as the Milky Way Galaxy, asteroids, meteors, comets, Earth's moon, and, of course, all the planets. Learners start by...

Supernova explosions mark the end of a star's life. Guide the class through an investigation that uses data to calculate the age of a supernova remnant. Using provided data and online software, they analyze data to determine the radius...

Young scientists create a simulation of Hubble's law. Introducing the Big Bang Theory using balloons and a simple lab worksheet, scholars complete a data table and perform analysis.

Let's play an out-of-this-world Bingo game! Using pre-made Bingo cards and an online randomizer, host a game of Bingo to practice identifying the objects of the cosmos. Pupils must match a picture shown to a similar picture on their...

In this Drake Equation instructional activity, students read about how scientists can estimate the number of intelligent civilizations that may exist in our galaxy. Students answer 7 questions about the Drake Equation and they use the...

Globular clusters, compact groups of about a million stars that move around together in galaxies, are among the oldest objects found in the universe. Since they are found most galaxies and since they've been around for so long, globular...

When you are in the city, only a few of the brightest stars are visible. But when you are in the country, you can see many more stars than you can count. Sometimes you can even see the bright belt of our galaxy, the Milky Way. In this...