The Night Sky Unit 1 Test

What is the imaginary sphere surrounding Earth that represents the sky?

• Celestial Equator

• Celestial Sphere

• Ecliptic

• Horizon

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

• 24 hours

• 365 days

• 30 days

• 12 hours

What is the movement of Earth around the Sun called?

• Rotation

• Revolution

• Orbit

• Equinox

What is the point directly overhead called?

• Horizon

• Zenith

• Ecliptic

• Celestial Pole

What marks the apparent path of the Sun across the sky?

• Zenith

• Celestial Equator

• Ecliptic

• Circumpolar Path

What occurs when the Sun is directly above the equator, creating equal day and night?

• Solstice

• Equinox

• Eclipse

• Circumpolar Event

Tags

NGSS.MS-ESS1-1

What is the common name for Polaris?

• Orion

• North Star

• Sirius

• Andromeda

Who proposed the heliocentric model of the universe?

• Galileo

• Copernicus

• Kepler

• Newton

What were Kepler's laws about?

• Gravity and planetary motion

• Elliptical orbits of planets

• The motion of stars

• The speed of light

Tags

NGSS.HS-ESS1-4

What causes Earth's seasons?

• Distance from the Sun

• The tilt of Earth's axis and its revolution around the Sun

• The shape of Earth's orbit

• Changes in the Sun's energy output

Tags

NGSS.MS-ESS1-1