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Uranus, the seventh planet from to the sun in our solar system, has 5 large moons and many small ones.

Learn about the rings of our seventh planet, Uranus.

Uranus has extremely seasons due to a strongly tilted rotational axis. Learn more about it here!

Links and activities about Uranus, the seventh planet from to the sun in our solar system.

Learn about what makes up Venus’ atmosphere!

Learn about what is inside the planet Venus.

Information about the various missions to Venus.

Explore our fun activities and pages about Venus (Astronomy).

Learn about nuclear fusion, an atomic reaction that fuels stars as they act like nuclear reactors!

Spiral galaxies are galaxies with a central, dense area and spiraling arms (which are often sites of star formation).

Make a graph of the dinosaur’s sizes using the provided graph/chart.

Dinosaur-themed curriculum ideas and class projects for Kindergarten through 2nd grade students.

Follow the instructions in this printable worksheet about Trex and Triceratops!

Various activities, links, and awards about Dinosaurs!

A list of famous fossil hunters and paleontologists along with a short biography (and notable discoveries) of each.

Learn about the first dinosaur fossil discoveries: Megalosaurus, Iguanodon, and Hylaeosaurus.

Learn about the dinosaur Acrocanthosaurus, a predator with a sail along its back and claws!

The great white shark (Carcharodon carcharias) is a large oceanic predator, up to 23 feet (7 m) long, weighing over 7,000 pounds (3200 kg). It has 3,000 replaceable teeth at a time.