Planets
Space Explorations and Objects
Gravity and Motion
Earth, Moon, and the Sun
Dwarf Planets
100

The planet known as the "red planet"

What is Mars

100

What is a natural satellite?

What is a moon.

100

Why do astronauts float in space?

what is Lack of gravity.

100

Why does the Earth have seasons?

What is Because the Earth's axis is tilted as it revolves around the Sun.

100

How many dwarf planets are officially recognized by the International Astronomical Union (IAU) as of 2026?

Five (Ceres, Pluto, Haumea, Makemake, and Eris).

200

What is the largest planet in our solar system?

What is Jupiter 

200

Large chunks of ice, dust, gasses, and rock that orbit the sun.

what is a comet.

200

What object has the biggest gravitational pull in our solar system?

what is the sun

200

What protects the Earth from harmful UV rays, radiation, and meteors?

What is the atmosphere

200

What is the one thing a "regular" planet does that a dwarf planet cannot do?

What is A dwarf planet has not cleared its orbit of other debris and objects.

300

What are the inner and out planets refered to as?

what is terrestrial planets and gas giants. 

300

What does an astronaut need in space that they can't get easily?

what is Air/oxygen, water, food

300

If you traveled to the Moon, which of these would change: your mass or your weight?

what is your weight.

300

 Why is the Moon visible to us even though it doesn’t produce its own light?

what is It reflects light from the Sun.

300

What year was Pluto demoted from planet to dwarf planet?

what is 2006

400

Which planet is the hottest in our solar system, even though it isn't the closest to the Sun?

what is Venus (due to its thick atmosphere)

400

What is the name of the force that keeps planets in orbit around the Sun?

what is Gravity. 

400

Why do you weigh less on the moon than on Earth?

What is because the moon is smaller and therefore its gravity is weaker. 

400

Does the Earth emit or reflect light?

What is reflect

400

What are the three requirements for an object to be called a planet (that dwarf planets only partially meet)?

It must orbit the Sun, be nearly round in shape, and have cleared its neighboring region of other objects.

500

What feature separates the inner rocky planets from the outer gas giants?

what is The Asteroid Belt. 

500

What are the main reasons space exploration is controversial?

What is cost, safety, and resources/time

500

What prevents the moon from flying off into space?

What is gravity from the Earth.

500

Saturn has the most moons in our solar system. What is its biggest moon called?

what is Titan

500

Which dwarf planet is the only one located in the Asteroid Belt between Mars and Jupiter?

what is Ceres

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