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10 questions
Pegasus is a group of stars that is visible in the northern hemisphere from the end of the summer through fall. Which of the following best accounts for why this constellation is not visible throughout the entire year?
Earth’s rotation on its axis
The Moon’s orbit around Earth
The Sun’s movement across the sky
Earth’s movement around the Sun
Hunter observed the Sun throughout the day over the neighbor’s house.
What caused the change Hunter observed?
Orbit of Earth around the Sun
Rotation of Earth on its axis
Movement of the Sun through space
Reflection of the Sun off the Moon
About how much time does it take Earth to revolve around the Sun?
24 hours
7 days
28 days
1 year
Natalie modeled the cause of day and night on Earth using a lamp and a baseball. The baseball represents Earth and the lamp represents the Sun.
What should Natalie do to best represent the cause of day and night?
Move the lamp in a circle around the baseball
Turn the lamp off and on
Move the baseball around the lamp
Rotate the baseball on its axis
How is Earth’s rotation on its axis different from its revolution around the Sun?
Earth’s rotation on its axis takes 1 year, and its revolution around the Sun takes 24 hours.
Earth’s rotation on its axis takes 24 hours, and its revolution around the Sun takes about 1 month.
Earth’s rotation on its axis takes 24 hours, and its revolution around the Sun takes 1 year.
Earth’s rotation on its axis takes about 1 month, and its revolution around the Sun takes 1 year.
Holden and Mateo are modeling Earth, the Sun, and their relative motions. A basketball is used to represent the Sun, and a tennis ball is used to represent Earth.
What should the boys do to best show what makes the Sun appear to move through the sky?
Rotate the basketball on its axis
Move the basketball closer and farther from the tennis ball
Rotate the tennis ball on its axis
Move the basketball in a circle around the tennis ball
Which of the following is NOT true about the motion of Earth?
It takes 1 year for one revolution.
Earth rotates on its axis.
Earth revolves around the Sun.
One rotation of Earth takes a month.
Here on Earth we have day and night. When one part of Earth has day, the other part has night. Which of the following best explains what makes night on part of our planet?
Clouds cover the Sun on that part of Earth.
That part of Earth is pointed away from the Sun.
The shadow of the Moon falls on that part of Earth.
Stars block the Sun for that part of Earth.
Becky likes to go outside in her backyard at night and gaze at the stars. She notices that the stars appear to move across the sky during the night. What is the reason the stars in the night sky appear to move across the sky each night?
Earth’s orbit
Earth’s seasons
Earth’s revolution
Earth’s rotation
The Sun appears to rise in the east and set in the west. What change would cause the Sun to appear to rise in the west and set in the east?
Earth rotating twice as fast
Earth rotating in the opposite direction
Earth moving around the Sun in the opposite direction
Earth moving closer to the Sun
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