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WorksheetsESS Unit 9.1.1 Exploration Questions
Total questions: 10
Worksheet time: 5mins
According to early astronomers, what did the regular rising and setting of the sun and moon help people do?
Predict the weather
Mark days and nights
Grow crops faster
Change the seasons
What is a constellation?
A planet that moves across the sky
A group of stars that forms a pattern or shape
A comet passing by Earth
A single bright star
Which of the following best describes retrograde motion?
The sun rising in the east and setting in the west
A planet appearing to move backward in the sky
The moon changing phases
Stars twinkling at night
What did Greek astronomers call the planets they could see from Earth?
Fixed stars
Wandering Stars
Comets
Shooting stars
According to Aristotle's model, what was at the center of the universe?
The sun
The moon
Earth
Jupiter
What is parallax?
The apparent change in brightness of a star
The apparent shift in position of an object when viewed from different points
The apparent movement of the sun across the sky
The orbit of the moon around Earth
Why did the geocentric model seem to fit the evidence observed by early astronomers?
It explained why objects in the sky appear to revolve around Earth on regular paths
It showed that the sun was at the center of the universe
It proved that stars are close to Earth
It explained why the moon changes phases
What did early astronomers notice about the stars in constellations?
They changed positions relative to each other every night
They stayed together and moved as a unit across the sky
They disappeared during the summer
They were only visible with telescopes
Which of the following is true about the stars and constellations as seen from Earth with the unaided eye?
They appear to change positions relative to each other
They appear to stay in the same positions relative to each other
They move randomly every night
They are brighter in the winter
What did the lack of observed parallax between stars suggest to early astronomers?
Stars are very close to Earth
Stars are very far away or motionless
Stars are moving quickly
Stars are not real objects
