earth science vocabulary. weathering the breaking down of rock on the earth’s surface
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Earth Science Earth Science
Vocabulary Vocabulary
Weathering Weathering
• The breaking down of rock on the Earth’s surface
• The breaking down of rock on the Earth’s surface
Volcano Volcano
• A mountain made from hardened lava, rocks, and ash
• A mountain made from hardened lava, rocks, and ash
Magma Magma
• Melted rock below the Earth’s surface
• Melted rock below the Earth’s surface
Lava Lava
• Magma that has flowed out of the surface of the Earth
• Magma that has flowed out of the surface of the Earth
Fault Fault
• A crack in the surface of the Earth • A crack in the surface of the Earth
Earthquake Earthquake • The movement of the Earth’s crust
along a fault • The movement of the Earth’s crust
along a fault
Glacier Glacier • A huge piece of ice that slowly
moves across the surface of the Earth
• A huge piece of ice that slowly moves across the surface of the Earth
Rotation Rotation • The spinning of a planet or moon
on its axis • The spinning of a planet or moon
on its axis
Orbit Orbit • The path one object takes around
another object in space • The path one object takes around
another object in space
Moon Motions Moon Motions
• The moon rotates on its axis and revolves around the earth.
Pattern: • 1 rotation & 1 revolution = about the same
amount of time = about 28 days.• This is called a LUNAR CYCLE• The same side of the moon ALWAYS faces
the earth!• The moon DOES NOT make it’s own light,
it reflects light from the Sun.
• The moon rotates on its axis and revolves around the earth.
Pattern: • 1 rotation & 1 revolution = about the same
amount of time = about 28 days.• This is called a LUNAR CYCLE• The same side of the moon ALWAYS faces
the earth!• The moon DOES NOT make it’s own light,
it reflects light from the Sun.
Diagram of the moon phases…
Diagram of the moon phases…
GalaxiesGalaxies
• A galaxy is a group of between 1 million & 1 trillion stars.
• Our sun and solar system are part of the Milky Way Galaxy.
• The Milky Way Galaxy appears differently from different positions.
• The nearest galaxy to the Milky Way is so far away that the light from it takes almost 2 million years to reach Earth!
• A galaxy is a group of between 1 million & 1 trillion stars.
• Our sun and solar system are part of the Milky Way Galaxy.
• The Milky Way Galaxy appears differently from different positions.
• The nearest galaxy to the Milky Way is so far away that the light from it takes almost 2 million years to reach Earth!
Inexhaustible Resources Inexhaustible Resources
• Resources that humans can use and never use up
• Resources that humans can use and never use up
Renewable Resources Renewable Resources
• Resources that can be produced again
• Resources that can be produced again
Non-renewable Resources
Non-renewable Resources
• Resources that can be used up and not replaced - Fossil fuels (oil, coal, and natural gas)
• Resources that can be used up and not replaced - Fossil fuels (oil, coal, and natural gas)
Rock Cycle Rock Cycle
Igneous Rock Igneous Rock
• Rock formed when lava cools • Rock formed when lava cools
Sedimentary Rock Sedimentary Rock
• Rock formed when sediment press together
• Rock formed when sediment press together
Metamorphic Rock Metamorphic Rock
• Rock formed when another rock undergoes heat and pressure
• Rock formed when another rock undergoes heat and pressure
The Water Cycle The Water Cycle
Precipitation
Condensation
Water Vapor
Evaporation
Powered by the Sun’s heat!
Run off
or
Groundwater
Fresh Water Fresh Water
Fresh Water 1. streams2. rivers 3. lakes4. ponds5. glaciers6. ice7. groundwater
8. aquifers
Fresh Water 1. streams2. rivers 3. lakes4. ponds5. glaciers6. ice7. groundwater
8. aquifers
WeatherWeather
Weather is the condition of the atmosphere in a certain place at a certain time.
Weather is the condition of the atmosphere in a certain place at a certain time.
Weather Systems & MapsWeather Systems & Maps
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