Exploring Our Solar System

What fraction of Earth's surface is covered by water?

• 1/3

• 3/4

• 1/2

• 1/4

Tags

CCSS.3.G.A.2

Who was the European sailor known for circumnavigating the Earth?

• Christopher Columbus

• James Cook

• Ferdinand Magellan

• Marco Polo

What is the primary source of light and heat for the Earth?

• Satellites

• The Moon

• The Sun

• Stars

What is the imaginary line that passes through the North and South Poles called?

• Equator

• Meridian

• Axis

• Orbit

How long does it take for the Earth to complete one rotation on its axis?

• 30 days

• 24 hours

• 365 days

• 12 hours

What causes the different seasons on Earth?

• The tilt of the Sun's axis

• The Moon's orbit

• Earth's rotation

• Earth's revolution around the Sun

Which phase of the Moon occurs when the Moon is between the Sun and the Earth?

• New Moon

• Full Moon

• Waning Gibbous

• Waxing Crescent

During which moon phase does the Earth lie between the Moon and the Sun?

• New Moon

• Last Quarter

• Full Moon

• First Quarter

What is the Moon primarily doing when we see different moon phases?

• Reflecting sunlight

• Producing light

• Changing its shape

• Moving closer to Earth

What are constellations?

• Groups of planets

• Cloud formations in Earth's atmosphere

• Groups of stars forming patterns

• Satellites orbiting Earth