Understanding Earth's Movements

What causes the apparent daily motion of stars across the night sky?

• Earth's rotation on its axis.

• The stars orbiting the Sun.

• Earth's revolution around the Sun.

• The stars moving in their own orbits.

Why do some constellations appear in the night sky only during certain times of the year?

• Earth rotates on its axis.

• Earth revolves around the Sun.

• The Sun sets earlier in the winter.

• The constellations move through the sky.

What are the effects of Earth's rotation and revolution?

• Earth’s rotation causes the seasons, while its revolution results in day and night.

• Earth’s rotation causes day and night, while its revolution results in the seasons.

• Earth’s rotation results in a 24-hour day, while its revolution causes a 365-day year.

• Earth’s rotation results in a 365-day year, while its revolution causes a 24-hour day.

Why does the Sun appear to move across the sky from east to west during the day?

• because Earth orbits the Sun

• because the Sun orbits Earth

• because Earth spins on its axis every 24 hours

• because the Sun spins on its axis every 24 hours

What phenomenon is caused by Earth's rotation?

• The occurrence of seasons.

• The alternation of day and night.

• The phases of the moon.

• The change in constellations.

Why does the Sun appear larger in the sky compared to other stars?

• The Sun is the oldest star.

• The Sun is the closest star to Earth.

• The Sun is the hottest star.

• The Sun is the largest star in the universe.

What is responsible for the changing of seasons?

• Earth's Rotation

• Earth's Revolution