astronmy
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Medium
+5
Standards-aligned
Zackery Humphrey
Used 7+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do scientists use a spectroscope to determine a star's composition?
They study patterns in light bands that are separated from starlight by the spectroscope.
They use the spectroscope to study sound waves that are traveling from the star.
They run tests on gas samples that the spectroscope collects from the star's core.
They use the spectroscope to create a man-made star that they study in a lab.
Tags
NGSS.HS-ESS1-2
NGSS.HS-PS4-3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements about comets is true?
Most comets have a circular orbit that keeps them in the space between Mars and Jupiter.
Comets have very elliptical orbits that usually take them far beyond the orbit of Pluto, but also take them closer to the Sun than Earth.
Comets rarely fall into an orbit around the Sun. They usually enter the inner solar system only once and then are gone forever.
Comets have very elliptical orbits that usually take them closer to the Sun than Earth, but rarely do they get further away than Pluto.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The diagram below is of a reflecting telescope.
Which of the diagrams below correctly shows the path that light takes in a reflecting telescope?
Tags
NGSS.MS-PS4-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the law of universal gravitation, any two objects are attracted to each other. The strength of the gravitational force depends on the masses of the objects and their distance from each other.
Many stars have planets around them. If there were no gravity attracting a planet to its star, the planet's motion would carry it away from the star. However, when this motion is balanced by the gravitational attraction to the star, the planet orbits the star.
Two solar systems each have a planet the same distance from the star. The planets have the same mass, but Planet A orbits a more massive star than Planet B.Which of the following statements is true about the planets?
Planet A has a longer year than Planet B.
Planet A orbits its star faster than Planet B.
Planet B is more attracted to its star than Planet A.
Planet B will keep orbiting its star longer than Planet A.
Tags
NGSS.MS-ESS1-2
NGSS.MS-PS2-4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The graph above plots gravitational force versus distance for two asteroids of equal mass (10 billion kg). When the distance between the asteroids is 9,000 km, the gravitational force between them is about 82 N.
Based on the trend shown in the graph, predict the force between the asteroids when the distance between them increases to 9,500 km.
about 90 N
about 9,200 N
1,700 N
about 74 N
Tags
NGSS.MS-PS2-4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following types of technologies has best helped scientists to study very high-energy objects in outer space, such as exploding supernovae, black holes, and pulsars?
X-ray telescopes
space stations
lunar modules
lunar modules
Tags
NGSS.HS-PS4-3
NGSS.HS-PS4-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The following images show the same galaxy, the Sombrero galaxy, in visible light (on the left) and in X-ray frequencies (on the right).
Dust that blocks X-ray radiation is transparent to light.
Dust that blocks X-ray radiation is transparent to light.
Bright X-ray sources are also bright visible light sources.
Bright X-ray sources do not radiate in the visible range.
Tags
NGSS.MS-PS4-2
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