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Unit 8 Science: Solar System & Exploration Flashcards | StudBud
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Unit 8 Science: Solar System & Exploration
Unit 8 Science: Solar System & Exploration
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Questions
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1
What is responsible for holding the stars, gas, and dust together in the galaxy?
friction
smell
gravity
fluorescent lights
2
According to Johann Kepler, how do planets move in the Solar System?
circles around Earth
Ellipses around Sun
Ellipse around Earth
Circles around Sun
3
What best describes the role of NASA?
government agency that controls civilian space program
international organization designed to control space
Branch of military defending the US from alien invasion
private corporation
4
What is the name given to represent the four largest moons of Jupiter?
Copernican moons
Kepler moons
Galilean moons
Oort moons
5
What benefits do unmanned spacecraft provide to scientists?
instruments never commit errors
Replace human analysis by scientists
more control of the environment is required
Can go where humans cannot go
6
What best describes the definition of space exploration?
exploration of space using naked eye
exploration of space using books
Exploration of space using star charts
exploration of space using spacecraft
7
The sun is composed of six layers. What is the name of the inner most layer of the sun?
Chromosphere
Core
Corona
Convection Zone
8
Why do gas giant planets have more moons orbit them than the earth?
gas giant rotations
They are farther from the sun than earth
gas giants are less dense than earth
gas giants have larger gravity and are more massive
9
Which element from the Periodic Table makes up 25% of the mass of the sun?
Helium
Uranium
Lead
Tungsten
10
Which choice best describes the arc of gas in this picture of the sun?
solar flare
aurora
sun spot
prominence
11
What is a gas giant?
large, red superginat start
a rock reaching earth without burning up
A cloud in space made of dust and gas
a planet with a deep, massive atmosphere
12
How do temperatures on Neptune compare to Earth's?
much colder
slightly warmer
much hotter
slightly colder
13
What is the correct order of the terrestrial planets from the sun?
Venus, Earth, Mars, Mercury
Mars, Earth, Venus, Mercury
Mars, Venus, Earth, Mercury
Mercury, Venus, Earth, Mars
14
What statement best describes characteristics of terrestrial planets?
small dense, rocky surfaces
rocky core, surface craters
hydrogen and helium only, close to sun
large rings, many moons
15
Which spacecraft can be used to transport humans to and from space?
voyager
space shuttle
rover
satellite
16
What technology may go into space father than humans can go?
probe
space station
space shuttle
rocket
17
Space age began in 1957 when Soviet Union launched satellite into space. Where?
a rover
orbiting earth
in the ocean
surface of another planet
18
Which element on the Periodic Table makes up 70% of the Sun?
Magnesium
Zirconium
Lithium
Hydrogen
19
What type of object is represented in the picture?
space probe
space station
space shuttle
rover
20
Dark areas on the sun with strong magnetic fields are called
solar flare
sun spot
prominence
solar wind
