Earth’s Orbit & Rotation

Which date is represented by the diagram?

• March 21

• June 21

• September 21

• December 21

What causes day and night?

• Earth's orbit around the sun
• Earth's rotation on its axis
• the sun's rotation
• the moon's shadow

What causes different constellations to be visible from Earth at different times of the year?

• Earth's orbit around the sun

• Earth's rotation on its axis

• movement of the stars

• none of these

What is the primary reason for the change in seasons on Earth?

• Earth's rotation on its axis

• Earth's tilt and orbit around the sun

• The sun's rotation

• The moon's phases

Which of the following best describes the tilt of the Earth during the spring and fall equinoxes?

• The Earth is tilted away from the sun (Northern Hemisphere)

• The Earth is tilted neither toward nor away from the sun (tilt is side to side)

• The Earth is tilted toward the sun (Northern Hemisphere)

• The Earth is not tilted during spring and fall

Why do we experience different lengths of day and night throughout the year?

• The moon's orbit

• The sun's rotation

• Earth's tilt and orbit around the sun

• Earth's rotation on its axis

What causes the need for time zones?

• Earth's rotation on its axis
• Earth's orbit around the sun
• sun dials
• shadows

Why does the sun appear to move across the sky?

• Earth's orbit around the sun
• Earth's rotation on its axis
• the sun's rotation
• movement of the stars

As the Earth travels around the Sun, it creates a pattern that makes _____

• the months
• the years
• the seasons
• day and night

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

• 60 seconds

• 24 hours

• 365 days

• 1 light year