Cycles in the Sky: Crash Course Astronomy #3

What causes the stars to appear to rise and set daily?

• The movement of the Moon.

• The rotation of the Earth.

• The orbit of Mars.

• The tilt of the Earth's axis.

Tags

NGSS.MS-ESS2-6

How long does it take for the Earth to orbit the Sun once?

• 24 hours

• 1 week

• 6 months

• 1 year

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

What is the line in the sky that the Sun moves along called?

• Zodiac

• Ecliptic

• Horizon

• Equator

Why do stars appear to rise and set at different times throughout the year?

• Due to the changing colors of the stars.

• Because the Earth's axis is tilted.

• Because of the rotation of Mars.

• Result of the Moon's orbit.

Tags

NGSS.MS-ESS1-1

What is the term for the slow circle movement made by the Earth's axis?

• Rotation

• Revolution

• Precession

• Wobble

Which planets move more rapidly across the sky?

• Inner planets like Mercury and Venus

• Outer planets like Jupiter and Saturn

• Dwarf planets like Pluto

• Moons of other planets

What is the main reason behind the changing of seasons on Earth?

• The distance between the Earth and the Sun

• The tilt of the Earth's axis

• The phases of the Moon

• The color of the sky

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-6

How long does it take for the Earth's axis to complete a full wobble cycle?

• 365 days

• 26,000 years

• 1 hour

• 100 years

What ancient star was once the pole star before Polaris?

• Vega

• Sirius

• Betelgeuse

• Thuban

Why do northern and southern hemisphere seasons occur at opposite times?

• Due to the Earth's rotation speed

• Because of the Sun's elliptical orbit

• The Earth's axis tilt

• The gravitational pull of the Moon

Tags

NGSS.MS-ESS1-1