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Solar System Test
Terms in this set (31)
The transfer of energy through empty space is called
Which form of heat transfer takes place when you touch a hot stone?
Heat and pressure deep beneath the surface can change any rock into
The process by which sediment moves is called
The transfer of heat by the movement of a fluid is called
Convection currents within the core and mantle transfer large amounts of heat when
hotter, less dense rock rises and cooler, more dense rock sinks
The strength of the force of gravity depends on
the masses of the objects and the distance between them
What two forces keep Earth in orbit?
Inertia and Gravity
Gravity helps form stars, planets, and solar systems by the gradual gathering together of smaller pieces in a process called
Maria on the moons surface were formed by ancient
Round pits on the moon are called
How large is the moon compared to Earth
About 1/4 the diameter of Earth
The temperature of the moon's surface varies greatly because the moon has
What do all the inner planets have in common
They are all small and have rocky surfaces
Aside from Earth, which inner planet once had liquid water on it
Venus and Earth are much alike in terms of
Their size and density
Which is the smallest terrestrial planet?
What do the four outer planets have in common?
They are much larger than Earth and are made of mainly hydrogen and helium.
Which model of the solar system has Earth at the center of the revolving planets and stars
The heliocentric system gained support when Galileo observed that
Venus goes through phases similar to those of Earth's moon
The temperature on Mercury ranges from about 430 C to -170 C at night. Why does this occur?
Mercury has little to no atmosphere
Which statement best explains how gravity began the process that formed the solar system?
Gravity pulled everything into into a ball
How do planets stay in orbit?
Gravitation force between planets and the Sun is holding planets in orbit
What step in the rock cycle creates tje sediment from which sedimentary rock is formed?
Erosion of other rocks
Describe a pathway through the rock cycle in which magma becomes sedimentary rock
1. Magma cools and hardens making igneous rock 2. Igneous rocks erode
In the rock cycle, what happens to magma and lava once they cool and harden?
Turns into Igneous rock
Why is uranus blue?
What is the range of temperatures for the moon?
-170 C to 130 C
Why is the range of temperature vary so much?
How are Earth and Venus similar?
Same size and mass
How is Venus different from Earth?
Closer to the sun with no atmosphere
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