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Astronomy Flashcards | StudBud
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Astronomy
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A review of basic concepts in #astronomy (6th grade)
Flashcards
29 cards
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Practice quiz
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Host live
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Questions
29
Answers
1
What keeps the planets in orbit around the sun?
The sun's gravitational pull
The sun's rotation
The sun's heat
2
The geocentric theory state that
All objects revolve around Earth
All planets revolve around the sun
Only th moon revolves around Earth
Stars are moving away from Earth
3
Which is the closest planet to the sun?
Mercury
Earth
Venus
Mars
4
Which statement about the Earth's rotation and revolution is correct? It takes the Earth longer
to revolve around the sun than to rotate on its axis
to rotate around the sun than to revolve on its axis
to revolve around the sun than to revolve on its axis
to rotate on its axis than revolve around the sun
5
Which is located closest to the center of the solar system?
Sun
Mars
Venus
Milky Way
6
The path that Earth follows is called________.
Orbit
Solstice
Rotation
Eclipse
7
Which is the 5th planet away from the sun in our solar system or the first outer planet?
Mars
Uranus
Saturn
Jupiter
8
Earth rotates once on its ________ about every 24 hours.
Axis
Ellipses
Poles
Orbit
9
What is NOT a danger to consider when exploring space?
Meteroids
Food shortage
Comsic rays
Gravity
10
Large pieces of space rock with irregular shapes are called _______.
Asteroids
Comets
Dwarf planets
Meteors
11
The order of the inner planets outward from the sun is __________
Mercury, Venus, Earth, Mars
Mercury, Earth, Venus, Mars
Earth, Venus, Mars, Mercury
Mars, Venus, Earth, Mercury
12
The __________ planets are small and dense and have rocky surfaces.
Inner
Moon
Outer
13
What is the name for the area in between Mars and Jupiter?
The asteroid belt
The Kuiper Belt
Nebula
Ceres
14
The length of time takes the Earth to revolve around the sun is called a __________.
Season
Month
Day
Year
15
Which country was able to put the first human in space?
China
United States
Soviet Union
Japan
16
The model with the Sun at the center, is called the _________ model.
Copernican
Kepler
Heliocentric
Geocentric
17
A chunk of frozen water, gas, and dust that orbits the sun is called a _________.
Asteroid
Planet
Comet
18
To rotate means to spin around another object
True
False
19
What is the name of the object that survived the Earth's atmosphere and landed on Earth?
Meteoroid
Meteorite
Meteor
Comet
20
In 1969, American astronaut, Neil Armstrong, Jr., stepped onto the surface of the moon.
False
True
21
Which these is NOT a planet?
Mercury
Earth
Neptune
Pluto
22
The length of time it takes Earth to rotate once on its axis is called a
Day
Season
Year
Month
23
The outer planets are often called the ___________.
Gas giants
Large comets
Asteroid belt
24
Space probes, unlike satellites, are able to ________.
Travel out of the solar system
Be retrieved
Go into orbit
Gather data
25
The orbit of the planets are
Elliptical
Circular
26
It takes Uranus less time than Earth to make one complete revolution.
False
True
27
Which of the following is NOT a major difference between the inner and outer planets?
Inner planets are rock but outer planets are gas
Inner planets have moons but outer planets do not have moons
Inner planets are close but outer planets are far apart
Inner planets are smaller and outer planets are bigger
28
The Kuiper Belt is an area of small, icy objects, which includes Pluto.
False
True
29
Most meteors burn up in the atmosphere. People often call these shooting stars.
False
True
