Category 1
This is the largest planet in our solar system.
What is Jupiter?
This theory suggests that the Sun is at the center of our solar system.
What is the heliocentric theory?
This force pulls you down when you jump
What is gravity?
Earth is this type of planet, made mostly of rock and metal.
What is a terrestrial planet?
This ancient Greek astronomer developed the geocentric theory, which placed Earth at the center of the universe.
Who is Ptolemy?
Known as the Red Planet, this planet has the tallest volcano in the solar system, Olympus Mons.
What is Mars?
This outdated theory proposed that Earth was the center of the universe.
What is the geocentric theory?
This word means that things like to keep doing what they are already doing. For example:An object in motion will stay in motion.
What is inertia?
Jupiter and Saturn are examples of this type of planet, made mostly of gas.
What are gas giants?
He used a telescope to observe moons orbiting Jupiter, providing evidence for the heliocentric model.
Who is Galileo?
This planet rotates on its side and has rings that are difficult to see.
What is Uranus?
This theory explains how the universe began with a massive explosion around 13.8 billion years ago.
What is the Big Bang theory?
Earth's gravity keeps the _______ in orbit around it.
What is the moon?
This is the smallest terrestrial planet in our solar system.
What is Mercury?
This group supported Ptolemy’s geocentric theory, which placed Earth at the center of the universe.
What is the Catholic Church?
This is the smallest planet in our solar system and the closest to the Sun.
What is Mercury?
This theory explains that the universe and all living things were created by God.
What is the creation theory?
This keeps a moving car going straight unless you turn or stop it.
What is inertia?
This gas giant has a Great Red Spot, which is a giant storm.
What is Jupiter?
This Greek philosopher supported the geocentric model, believed that Earth was the center of the universe.
Who is Aristotle?
This planet has the most moons of any planet in the solar system.
What is Saturn?
For something to become a theory, scientists need this to support it.
What is evidence ?
Planets stay in their orbits because of these two things working together.
What are gravity and inertia?
The four gas giants in our solar system are:
What are Jupiter, Saturn, Uranus and Neptune?
This astronomer developed the heliocentric theory, which replaced the earlier Earth-centered model of the universe.
Who is Nicolaus Copernicus?