Quiz on the Sun and Terrestrial Planets

What layer of the Sun releases energy into space?

• The core

• The radiative zone

• The photosphere

• The convective zone

Where is energy produced in the Sun?

• The surface

• The core

• The atmosphere

• The radiative zone

Which layer moves energy away from the core by radiation?

• The convective zone

• The photosphere

• The radiative zone

• The core

What is the average distance of the Sun from Earth?

• 1 million km

• 150 million km

• 93 million km

• 149.6 million km

What is the diameter of the Sun?

• 1,000,000 km

• 1,390,000 km

• 2,000,000 km

• 500,000 km

What is the average surface temperature of the Sun?

• 10,000 °C

• 5,527 °C

• 1,000 °C

• 15,000 °C

What is the main composition of the Sun?

• 80% hydrogen, 20% oxygen

• 74% hydrogen, 25% helium, 1% other elements

• 50% hydrogen, 50% helium

• 100% helium

What is the diameter of Mercury?

• 3,500 km

• 6,000 km

• 4,879 km

• 5,000 km

What is unique about Mercury's core?

• It is made of ice

• It is made of gas

• It is mostly molten

• It is solid iron

What is the temperature range on Mercury?

• -100 °C to 100 °C

• -50 °C to 50 °C

• 0 °C to 100 °C

• -184 °C to 427 °C