🪐 CATEGORY 1: PLANET LINEUP
This is the planet closest to the Sun.
What is Mercury?
This word describes the rocky inner planets.
What is terrestrial?
This is the term for a planet spinning on its axis.
What is rotation?
This force pulls objects toward one another.
What is gravity?
This model placed Earth at the center of the solar system.
What is the geocentric model?
This is the eighth and farthest planet from the Sun.
What is Neptune?
Jupiter, Saturn, Uranus, and Neptune belong to this group of planets.
What are the gas giants/outer planets?
Earth takes approximately this long to complete one rotation.
What is 24 hours, or one day?
Complete this rule: More mass = ________.
What is more gravity?
This model places the Sun at the center of the solar system.
What is the heliocentric model?
The asteroid belt is located between these two planets.
What are Mars and Jupiter?
Name all four terrestrial planets.
What are Mercury, Venus, Earth, and Mars?
Earth takes approximately this long to complete one revolution around the Sun.
What is 365 days, or one year?
This is the tendency of an object to keep moving in a straight line at the same speed unless another force acts on it.
What is inertia?
This scientist proposed the heliocentric model.
Who is Copernicus?
These are the two planets located directly next to Earth in the order of the solar system.
What are Venus and Mars?
Name all four gas giants.
What are Jupiter, Saturn, Uranus, and Neptune?
Earth's rotation causes this daily change.
What are day and night?
These two factors work together to keep planets orbiting the Sun.
What are gravity and inertia?
Galileo used this piece of technology to make discoveries about the solar system.
What is a telescope?
Name all eight planets in order from closest to farthest from the Sun.
What are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune?
An astronaut needs to land on a solid, rocky surface. Should the astronaut choose Mars or Jupiter, and why?
What is Mars, because it is a terrestrial planet with a solid, rocky surface, while Jupiter is a gas giant?
Explain the difference between rotation and revolution.
What is rotation is a planet spinning on its axis, while revolution is a planet orbiting around the Sun?
Explain how gravity and inertia work together to keep Earth from crashing into the Sun or flying away into space.
What is gravity pulls Earth toward the Sun while inertia keeps Earth moving forward, creating a stable orbit?
Scientists' ideas about the solar system have changed over time. What is the best explanation for why scientific understanding has changed?
What is new technology has allowed scientists to collect better evidence and make new discoveries?