Planets
Gravity & Inertia
Other
Asteroid, Comets, Meteors
Models of the Universe
100

What Planet is Earth's Twin? 

Venus

100

What is the force that pulls two objects together?

What is gravity

100

What is the correct order from smallest to largest for planet, Sun, Super Cluster, Universe, moon, Milky Way Galaxy? 

What is the moon, planet, Sun, Milky Way Galaxy, Super Cluster, Universe

100

Where are comets made of?

What is ice, rocks (meteoroids), and frozen gases.

100

What is the type of model called in which the Earth is at the center and everything orbits around the Earth?

What is Geocentric Model? 

200

What planet has the least gravitational pull to the Sun

What is Neptune?

200

What is the force that keeps a body in motion until another force stops it? 

What is inertia?

200

Where in the Milky Galaxy is our solar system located? 

What is on a spiraling arm called the Orion Spur?

200

Where are asteroids found in the Solar System?

In the Asteroid Belt between Mars and Jupiter

200

Who was the first astronomy to use the Geocentric model? 

Who was Ptolemy?

300

What does "My Very Excited Mother Just Served Us Noodles" stand for 

It is an acronym for the order of the planets from the Sun. 

300

Where is the gravitational pull stronger? 

Between Mercury and Venus or between Mercury and Neptune? 

What is between Mercury and Venus?

300

How long does it take the Earth to complete a full rotation on  its axis? 

What is 24 hours?

300

What is the most famous comet that appears every 75 years?

What is Halley's Comet?

300

Who was Copernicus? 

astronomer who formulated the heliocentric theory, proposing that the Sun and not the Earth is at the center of the universe, and that the Earth revolves around it

400

What is Pluto considered to be? 

What is a dwarf planet? 

400

What keeps the planets orbiting the Sun?

What is gravity and the masses of the Sun and the Planets? 

400

How long does it take for the Earth to revolve around the Sun? 

What is 365 days? 

400

What is the shape of comet's orbit - another name for an oval. 

What is an ellipse?

400

what states the universe began about 13.8 billion years ago as an extremely hot, dense point, and then rapidly expanded and cooled over time, a process that continues today.

What is the Big Bang Theory

500

What is the order of the planets from the Sun?

What is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune? 

500

What planet has the strongest gravitational pull among the planets?

What is Jupiter due to its large size and mass? 

500

What is the diameter of Earth compared to Venus if Venus is Earth's twin? 

What is They are nearly the same with Venus' diameter slightly smaller than Earth's 

500

The way planets move because there is a balance between gravity and inertia.

What is an orbit?

500

What is the model of the Solar System in which the Sun is at the center of the Universe? 

Heliocentric