What does helio mean?

What does geo mean?

What scientist discovered the Heliocentric Model?

What scientist discovered the Geocentric Model?

Which model states that earth is positioned at the center of the universe?

Which model states that the Sun is positioned at the center of the universe?

How old is the universe?

Our Solar System is in the Milky Way galaxy. What shape is this galaxy?

Using the bar graph, determine which planet is four times (4X) as far from the Sun as Earth.

Olivia, Abigail, and Nora are on a space adventure! They're trying to map out the solar system. Can you help them figure out the correct order of the planets furthest from the sun?

Hey Zoe, Oliver and Abigail! Let's take a trip to outer space. Can you tell me which planet, being the fifth one from the sun, is also the largest in our solar system?

James, Abigail, and Luna are on a space adventure! They come across a planet and Luna thinks it's a gas giant. Can you guess which planet they are looking at?

Ethan, Charlotte, and Sophia are on a space adventure! They come across the asteroid belt. Can you help them figure out where it is located?

Imagine you are on a space adventure with Abigail and Ethan. You come across a planet that supports life, is composed of rock, and is the 3rd planet from the sun. Can you guess which planet it is?

Abigail, Avery, and Ethan are on a space adventure! They've reached the 8^th planet from the Sun, an outer planet. Can you guess which planet they've landed on?

Anika, Grace, and Henry are on a space adventure! They are exploring the inner planets. What common characteristic would they find in these planets?

Hey Benjamin, Hannah, and Luna! Can you guess which planet is the only one to do a funky dance and spin on its side? Also, it's the seventh one in line from the sun!

Noah, Michael, and Aria are on a space adventure! They've just passed the first planet from the sun and are now approaching the second one. This planet is a dry, rocky world shrouded in toxic clouds. Can you guess which planet they're visiting?

Daniel, Emma, and Sophia are on a space adventure! They come across a planet known as the "red planet". Can you help them identify which planet it is?

Imagine this, Olivia, James, and Jackson! You're on a spaceship, zooming through the solar system. You come across the sixth planet from the sun. It's so light, it could float in water! Can you guess which planet it is?

Ethan, Noah, and Arjun are on a space adventure! Can you help them remember the correct order of the planets starting from the sun?

Imagine Charlotte, William, and Benjamin are astronauts exploring the universe. They come across a planet that is most similar to earth and is often referred to as her "sister" planet. Can you guess which planet they discovered?

Imagine Benjamin, Harper, and Mia are astronauts exploring the universe. They come across the inner planets and notice some characteristics. Can you help them identify 3 common traits of these inner planets?

Imagine Mia, Grace, and Lily are astronauts exploring the vast universe. They come across two sets of planets. One set is closer together, while the other is more spread out. Which set of planets are they likely to find closer together?

What would happen to the planets in the solar system if the Sun’s gravitational force were to suddenly disappear?

Planets in our solar system travel in their own orbital paths around the Sun. What causes the planets to continuously orbit the Sun instead of floating away into space?