The Universe Galaxies, Solar System

Quiz
•
Science
•
8th Grade
•
Hard
Standards-aligned
Charles Martinez
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What statement describes galaxies?
They are similar in size to our solar system.
They contain one star and thousands of planets.
They are spherical in shape and usually smaller than our solar system.
They contain billions of stars and are significantly larger than our solar system.
Tags
NGSS.MS-ESS1-2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What statement about the size of the universe is true?
Most astronomers believe the universe is expanding in size.
Most astronomers believe the universe is shrinking in size.
Most astronomers believe the universe is remaining the same size.
Most astronomers believe the universe is shrinking and expanding in a cyclic pattern.
Tags
NGSS.HS-ESS1-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which unit is commonly used to express distance between stars and galaxies?
astronomical units (AU)
kilometers (km)
lightyears (LY)
nanometers (nm)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is the correct sequence from largest to smallest?
Universe, Milky Way, Solar System
Milky Way, Universe, Solar System
Solar System, Milky Way, Universe
Universe, Solar System, Milky Way
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement is believed by most scientists about the age of our solar system?
The universe is the same age as our Solar System.
The universe is older than our Solar System.
Our Solar System is older than the universe.
Our Solar System is about 4.6 million years old.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What components best define a galaxy?
gas, dust, and billions of stars
meteors, comets, and asteroids
planets, moons, and a single star
ice, rock, and dust
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Examine the table showing different galaxies in the universe. Why do scientists use light years (ly) as a unit of measurement?
Traditional units such as kilometer would give extremely large values.
The unit of light year directly relates to the number of stars found in galaxies.
Galaxies are only able to be measured if they produce light.
A common unit allows easier communication between scientists in different countries.
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