Solar System Quiz

What is the shape of each planet and star?

• Cube

• Cylinder

• Sphere

• Pyramid

Who proposed the heliocentric model of the Solar System?

• Aristotle

• Claudius Ptolemy

• Nicolaus Copernicus

• Alhazen

What is the Sun primarily composed of?

• Liquid water

• Solid rock

• Hot gas

• Ice

What did Aristotle observe to prove the Earth was a sphere?

• A lunar eclipse

• A ship sailing away

• A solar eclipse

• A falling star

What is the main reason for different day lengths and seasons on Earth?

• The Earth's distance from the Sun

• The Earth's tilt on its axis

• The Moon's phases

• The Sun's temperature

How often does the Moon orbit the Earth?

• Every 27.3 days

• Every 30 days

• Every 24 hours

• Every 365 days

What is the diameter of the Moon?

• 3,500 km

• 1,000 km

• 10,000 km

• 5,000 km

What is the definition of "axis"?

• The path an object takes around another object

• An imaginary line through the center of an object

• The distance between two objects

• The speed at which an object rotates

What is the definition of "orbit"?

• The speed of an object in space

• The stable, circular path of an object revolving around a central mass

• The distance between two celestial bodies

• The tilt of a planet on its axis

What are the two seasons experienced by countries near the equator?

• Winter and summer

• Spring and autumn

• Rainy and dry

• Hot and cold