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Solar System!
Solar System!
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Solar System Grade 6 Science
Flashcards
10 cards
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Practice quiz
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Questions
10
Answers
1
What do all of the inner planets have in common?
They all have many moons
They all are small and have rocky surfaces.
They all have abundant liquid water
They all have rings
2
What do the four outer planets have in common?
Are much larger than Earth and mainly hydrogen and helium
They are much larger than Earth and are made mainly of iron
About the same size as Earth and mainly hydrogen and helium
About the same size as Earth and are made mainly of iron.
3
The sun produces energy by
attracting it with the force of gravity
nuclear fission
burning fuels such as oil
nuclear fusion.
4
Small asteroid-like bodies that became the building blocks for the planets are called
meteoroids
comets
open clusters.
planetesimals
5
The fact that each planet’s orbit is an ellipse was discovered by
Brahe
Kepler
Galileo
Copernicus
6
The solar wind is a stream of electrically charged particles that extend outward from the sun’s
photosphere
core
chromosphere
corona
7
The solar system formed from
a black hole
a giant cloud of gas and dust
an enormous explosion
an expanding galaxy
8
What layer are you looking at when you look at an image of the sun?
chromosphere
corona
prominence
photosphere
9
The heliocentric system gained support when Galileo observed that
most of the smaller planets are closer to the sun
Venus goes through phases similar to those of Earth’s moon
one side of the moon always faces Earth
the orbit of each planet is an ellipse.
10
In a heliocentric system, Earth revolves around
the sun
Mars
the moon
the stars.
