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WorksheetsESS C - U1L5 - Planets and Moons Mastery Test Review
Total questions: 15
Worksheet time: 12mins
Proxima Centauri is the closest star to Earth after the Sun and is located 4.3 light years away from Earth. One light year is about 9.46 trillion kilometers. What is the distance between the star and Earth in kilometers?
2.2 trillion kilometers
40.64 trillion kilometers
13.76 trillion kilometers
20.34 trillion kilometers
Type the correct answer in the box. Round your answer to the nearest whole number.
The mass of Earth is 5.97 × 1024 kilograms, and the mass of Saturn is 568 × 1024 kilograms.
The mass of Saturn is about _________ times the mass of Earth.
95
95 x 1024
0.01
1.0 x 1022
The inner planets are also called __________ because they are rocky, solid celestial bodies.
terrestrial planets
gas giants
Gas giants are also known as __________. Gas giants are massive, have many moons, and some have rings.
Inner planets
Outer planets
Both
Venus
Pluto, among others, is known as a _________. Such celestial bodies are NOT considered gas giants and they have not cleared similar-sized objects from their respective orbital pathways.
dwarf planet
planet
Which two planets of the our solar system have no moons?
Mercury and Venus
Neptune and Earth
Saturn and Venus
Mars and Uranus
Liquid magma flows upward through cracks in rock because it is
highly fluid
less dense than the surrounding solid material
highly magnetic
more dense than the surrounding solid material
The orbital radius of Mars is 1.52 AU. What is this distance in kilometers? (One AU is about 150 million kilometers.)
228 million kilometers
150 million kilometers
779 million kilometers
1434 million kilometers
Earth is a terrestrial planet that has a thick atmosphere which is essential for life as we know it. Earth's atmosphere consists most of nitrogen. However, it also contains a high amount of oxygen. What is the percent composition of oxygen in Earth's atmosphere?
21%
78%
0.03%
0.97%
1%
The Andromeda Galaxy is the closest galaxy to our home galaxy, the milky way. The Andromeda Galaxy is 2.5 million light years away from the Milky Way Galaxy. One light year is about 9.46 trillion kilometers. What is the distance between the two galaxies in kilometers?
12.0 trillion kilometers
2,365 trillion kilometers
4.3 trillion kilometers
1,183 trillion kilometers
Type the correct answer in the box. Round your answer to the nearest whole number.
The mass of Uranus is 86.8 × 1024 kilograms, and the mass of Jupiter is 1898 × 1024 kilograms.
The mass of Jupiter is about _________ times the mass of Uranus.
22
22 x 1024
0.05
5.0 x 1022
Which of the following would be classified as a terrestrial planet?
This celestial body is the lightest planet in the solar system and is closest to the Sun.
This celestial body has a core composed of nickel-iron and rock surrounded by an outer layer of hot fluid (gas and liquid). The fluid contains water, ammonia, and methane. Body I has 27 moons.
This celestial body is the second largest planet in the Solar System and has visible rings.
This celestial body has optimal conditions to sustain life.
Which of the following would be classified as a terrestrial planet?
This celestial body has the most volcanoes in our solar system apart from Earth, It is the second closest planet to the Sun.
This celestial body has 17 times more mass than Earth and has gravity that is 1.14 times that of Earth.
This celestial body is the largest planet in the Solar System.
This celestial body has a core that consists of iron sulfide mixed with nickel and is the second-smallest planet in the solar system.
Which of the following would be classified as a Gas Giant?
This celestial body is the lightest planet in the solar system and is closest to the Sun.
This celestial body has a core composed of nickel-iron and rock surrounded by an outer layer of hot fluid (gas and liquid). The fluid contains water, ammonia, and methane. Body I has 27 moons.
This celestial body is the second largest planet in the Solar System and has visible rings.
This celestial body has optimal conditions to sustain life.
Which of the following would be classified as a Gas Giant?
This celestial body has the most volcanoes in our solar system apart from Earth, It is the second closest planet to the Sun.
This celestial body has 17 times more mass than Earth and has gravity that is 1.14 times that of Earth.
This celestial body is the largest planet in the Solar System.
This celestial body has a core that consists of iron sulfide mixed with nickel and is the second-smallest planet in the solar system.
