AS-300: The Solar System

How many minutes does it take the Sun's energy to reach the Earth?

• 6

• 8

• 10

• 12

What percentage of the Earth is water?

• 60

• 70

• 75

• 85

How many terrestrial planets are there?

• 3

• 4

• 5

• 6

What is the source of the Sun's energy?

• Energy Transfer

• Convection

• Nuclear

• Conduction

What part of the Earth contains the most mass?

• Core

• Crust

• Mantle

• Oceans

Which planet rotates in 59 days and orbits the Sun in 88 days?

• Mars

• Venus

• Mercury

• Earth

What prevents the Sun from collapsing in on itself?

• Gravity

• Rotational Speed

• Energy Transfer

• Hydrostatic Equilibrium

Which gas makes up the greatest percentage of the Earth's atmosphere?

• Carbon Dioxide

• Helium

• Oxygen

• Nitrogen

Which planet's day is longer than its year?

• Mercury

• Uranus

• Jupiter

• Venus

Which layer of the Sun appears bright red in an eclipse?

• Photosphere

• Corona

• Chromosphere

• Radioactive Flow