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6.2 Solar System

Unit Test Review

QuestionAnswer
When we see pictures showing the planets size to scale, what is true about the distance between them. The distance cannot be to scale in a picture.
Describe a comet. Icy object that orbits the sun and forms a glowing tail when close to the sun.
Describe an asteroid. A large rocky object that orbits the sun mainly found between Mars and Jupiter
Describe a meteor. Small rocky object that travels through space. Most burn up when they enter the Earth's atmosphere which looks like streaks of light known as a shooting star.
The Asteroid belt is located between what two planets? Mars and Jupiter
Planets are held in orbit due to what? The sun's gravity
What was gravity's role in the formation of the solar system? Gravity pulled dust and gas together which eventually formed planets.
Planets with more mass typically attract more ________. moons
What contributed the most to our understanding of the solar system over time? Technology
Rockets, telescopes, and use of infrared light are all examples of_______________ which helps in the understanding of our solar system. technology
Space and our understanding of space DOES and has changed over time. True or false True
Technology and mathematics allow us to .... make calculations and collect new information.
A planet orbits a ____________. star
A moon orbits a ____________. planet
A student has a model of all the planets in a straight line. This model does not show the distance between the planets, but it also doesn't show.... the planets in orbit.
Larger planets with stronger gravity... have more moons and can form rings
The Asteroid Belt is located between what two planets? Mars and Jupiter
Why would Saturn have a lower average temperature compared to Mercury? Because of its distance from the sun
Pluto is a dwarf planet because... it has other objects in its orbit
All celestial bodies DO NOT have the same composition. True or false True
Gas giants (the last four, outer planets) are very large compared to the inner, ___________________ planets terrestrial
Mars has an A.U. of 1.52 and Saturn has an A.U. of 9.5. Which one would be on a number line between the whole numbers 1 and 3? Mars
Why do planets remain in orbit around the sun? The sun's gravity pulls planets towards it but their motion moving forward causes the curved orbit which continues due to inertia.
Mathematical models are used to ... find patterns and calculations
What has helped gather detailed observations and challenge older ideas about the solar system? Improved telescopes
Space Probes and Satellites are used to ... collect data that could not be gathered from earth alone.
What do scientists use when testing explanations and when analyzing large amounts of evidence... Computer simulations
The sun centered model of our solar system replaced the older model where people thought the earth was in the center because of ... new technology gave evidence about the planets moving around the sun.
New technology can help us _________ and ______________ more about space. learn and understand
Our knowledge of the solar system will _______________ to change over time. continue
Created by: Johnsopd
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