Earth Space Science

What causes day and night on Earth?

• Earth orbiting the Sun

• The Moon blocking the Sun

• Earth rotating on its axis

• The Earth tilting toward the Sun

How long does it take the Earth to complete one full rotation?

• 24 hours

• 365 days

• 30 days

• 7 days

Which term describes the path Earth takes around the Sun?

• Rotation

• Revolution

• Orbit

• Axis

What causes the different seasons on Earth?

• The Moon’s position

• The Earth's elliptical orbit

• Earth’s tilt as it orbits the Sun

• Earth moving closer to the Sun

What is a solstice?

• When day and night are equal

• When Earth is closest to the Sun

• When the Sun appears highest or lowest in the sky

• A lunar eclipse

How long does it take the Moon to complete one orbit around Earth?

• 24 hours

• 7 days

• 14 days

• About 29.5 days

Why do we see phases of the Moon?

• The Moon’s shape changes

• The Moon reflects different amounts of sunlight as it orbits Earth

• The Moon glows with its own light

• Clouds block part of the Moon

What is the correct order of Moon phases from New Moon to Full Moon?

• Full → Gibbous → Crescent

• New → Crescent → Quarter → Gibbous → Full

• Crescent → Gibbous → Full → New

• Full → Quarter → Crescent

Which phase shows the entire lit side of the Moon?

• New Moon

• First Quarter

• Gibbous

• Full Moon

What is the term for when the Moon is growing in illumination?

• Waning

• Dimming

• Waxing

• Phasing