TEKS Grade 8 Science - 8.7.A Modeling Earth’s Rotation

Quiz by Texas Education Agency

Science (2017)
Texas Essential Knowledge and Skills (TEKS)

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### Measures 1 skill fromGrade 8Science (2017)Texas Essential Knowledge and Skills (TEKS)

8.7a

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9 questions
• Q1
Which of these locations on Earth experiences the least change in the number of daylight hours throughout the year?
Tropic of Capricorn
North Pole
Equator
Tropic of Cancer
60s
8.7a
• Q2
Earth would not have seasons if it —
took an additional month to orbit the sun
no longer tilted on its axis
revolved around the sun in the opposite direction
stopped rotating on its axis
60s
8.7a
• Q3
A student wants to use a spinning basketball to model the day-and-night cycle on Earth. What should the student do in order to best model the cause of the day-and-night cycle?
Spin the ball in different directions
Tilt the ball while it is spinning
Paint one half of the ball black and the other half white
Shine a bright light on one side of the ball
60s
8.7a
• Q4
In the summer many people enjoy going to the beach. The photograph shows a beach in Argentina, which is located in the Southern Hemisphere. Which diagram shows the position of Earth when it is summer in Argentina?
#texas/72b30d4f-b56e-40ac-b7ca-064a57c9ea60/A.png
#texas/72b30d4f-b56e-40ac-b7ca-064a57c9ea60/B.png
#texas/72b30d4f-b56e-40ac-b7ca-064a57c9ea60/D.png
#texas/72b30d4f-b56e-40ac-b7ca-064a57c9ea60/C.png
60s
8.7a
• Q5
Students in a science class in Marfa, Texas, made a poster with a diagram to represent a seasonal change in the Northern Hemisphere. Which statement best describes conditions for Earth at Position 1 in the diagram?
There are an equal number of hours of daylight and nighttime in the Northern Hemisphere, and the North Pole is tilted away from the sun.
The Northern Hemisphere has the fewest hours of daylight, and the North Pole is tilted away from the sun.
There are an equal number of hours of daylight and nighttime in the Northern Hemisphere because Earth’s axis is not tilted in this position.
The Northern Hemisphere has the fewest hours of daylight, and Earth’s axis does not tilt at this position.
60s
8.7a
• Q6
A student draws the model shown below. Which of these best compares the conditions at Location X and Location Y?
There are more hours of daylight at Location X than at Location Y.
The moon is brighter when viewed from Location X than when viewed from Location Y.
It is winter at Location X and summer at Location Y.
It is day at Location X and night at Location Y.
60s
8.7a
• Q7
The diagram below shows four positions in Earth’s orbit around the sun. The Northern Hemisphere experiences the beginning of spring when Earth is in —
Position 3
Position 4
Position 1
Position 2
60s
8.7a
• Q8
Which of these changes would likely occur if the rate of Earth’s rotation on its axis increased?
The length of a day would be longer.
The length of the seasons would be shorter.
The length of the seasons would be longer.
The length of a day would be shorter.
60s
8.7a
• Q9
The model shows Earth in several positions relative to the sun. In which position is it winter in North America?
Position 2, because North America is tilted toward the sun
Position 4, because North America is tilted away from the sun
Position 1, because North America receives the most direct sun
Position 3, because North America is parallel to the sun
60s
8.7a

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