Astronomy Quiz

Which statement explains why stars appear to move in the same pattern across the sky when viewed from Earth?

• Earth is spinning.

• The stars are spinning.

• Earth is moving around the stars.

• The stars are moving around Earth.

Why can some constellations be seen only in the summer?

• Earth rotates on its axis.

• Earth revolves around the Sun.

• The Sun sets earlier in the winter.

• The constellations move through the sky.

Earth rotates on its axis and revolves around the Sun at the same time. Which statement shows the results of these movements?

• Earth’s rotation on its axis results in a 365-day year, while Earth’s revolution around the Sun causes day and night.

• Earth’s rotation on its axis results in a 365-day year, while Earth’s revolution around the Sun causes the seasons.

• Earth’s rotation on its axis causes day and night, while Earth’s revolution around the Sun results in a 365-day year.

• Earth’s rotation on its axis causes the seasons, while Earth’s revolution around the Sun causes day and night.

During the course of a day on Earth, the Sun appears to rise in the east and set in the west. Why does the Sun seem to move in this way?

• because Earth revolves around the Sun

• because the Sun revolves around Earth

• because Earth rotates on its axis once every 24 hours

• because the Sun rotates on its axis once every 24 hours

Which of these is a direct result of Earth's rotation?

• One week is 7 days long.

• One day is 24 hours long.

• One month is 29 days long.

• One year is 12 months long.

The Sun appears to be the brightest star in the sky. What causes the Sun to appear so bright to people on Earth?

• The Sun is the oldest star.

• The Sun is the hottest star.

• The Sun is the largest star.

• The Sun is the closest star.

A day of earth is​ (a)   . A month is ​ (b)   . A year lasts ​ (c)   .

• 23 hours, 56 minutes, and 4 seconds
• 29.5 days
• 365.25 days
• 364.25 days
• 22 hours, 56 minutes, and 4 seconds
• 28.5 days

It takes this long for the Earth to rotate once on its axis.

• 1 year

• 24 hours

• 1 week

• 365.25 days

23. The diagram below represents Earth at one position in its rotation. Points A, B, C, and D represent locations on the surface of Earth. Which location will enter darkness next as Earth’s rotation continues?

• (1) A

• (2) B

• (3) C

• (4) D