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6th Grade Spring Final Review 2018
Terms in this set (33)
Which of the following is a characteristic of a mineral?
must be able to form from inorganic processes, has a definite chemical composition, and is a solid.
Which set of properties might identify an unknown mineral for a geologist?
Color, hardness, luster, and streak
At what rate does magma deep below Earth's surface cool? What size of crystal results from magma cooling deep below Earth's surface?
Slowly; large crystals form
On what basis do geologists classify a rock?
How does igneous rock form?
From the cooling of magma or lava
Which of the following is the best listing of the processes involved in the formation of most sedimentary rocks?
Weathering, erosion, deposition, compaction, and cementation.
What is a metamorphic rock?
A rock that forms from another rock as a result of heat, pressure, or both heat and pressure
Which of the following is true about the rock cycle? What is an important part of the rock cycle?
It changes rock in Earth's crust.
Which statement best describes the rock cycle?
Any type of rock can form from any other type of rock as a result of weathering and erosion, melting, and heat and pressure.
Most minerals do not split apart evenly. These minerals are described as having a characteristic type of which property?
Which property is described as being metallic for shiny minerals, such as galena?
Which property of a mineral can be examined by studying the color of the mineral's powder?
What are two types of evidence geologists use to learn about Earth's interior
indirect evidence from rocks and direct evidence from seismic waves
What is Earth's thin outer layer of solid rock called?
What feature do mid-ocean ridges form?
Long chains of mountains that rise up from the ocean floor
Where does subduction take place?
Moving plates form what types of boundaries?
Transform, convergent, and divergent
The energy released by an earthquake in the form of seismic waves moves out from which point?
What instruments do geologists use to locate an earthquake's epicenter?
How does the strength of an earthquake relate to the height of the lines on a seismogram?
The stronger the earthquake, the greater the line height.
What happens when an Oceanic Plate and a Continental plate come together?
A tectonic plate subducts under another, causing oceanic crust to sink down to the mantle.
Which is a correct list of the planets in order of increasing distance from the sun?
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
What is the relationship between a planet's distance from the sun and the length of its year?
The farther the planet is from the sun, the longer its year.
What are two major ways in which Earth and the other planets move?
Rotation and revolution
What keeps the planets in orbit around the sun and the moon in orbit around Earth?
What keeps Earth from falling into the sun?
What do the inner planets have in common?
They are small and dense; most have atmospheres.
What characteristics do the gas giants share?
They contain hydrogen and helium and have rings and many moons.
How do comets and asteroids compare?
Asteroids are rocky, while comets are made of ice and dust.
How do a dwarf planet and an asteroid differ?
Dwarf planets have enough gravity to be spheres. Most asteroids do not.
Which of these statements best describes a heliocentric model?
All the planets and smaller objects orbit the sun.
What is the tendency of an object to resist a change in motion?
Which statement correctly describes Newton's first law of motion?
An object moves at constant velocity unless acted on by a force.
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