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What is a galaxy? What is OUR galaxy?
Galaxy - a huge set of stars; the Milky Way
What are some components of the solar system?
the Sun, planets, moons, and other celestial bodies
The _______ is the closest star to Earth.
Sun
What is the difference between the inner and outer planets?
inner - smaller, mostly made of rocks and metals; outer - bigger, mostly made of gases
What is the furthest planet from the Sun?
Neptune
How do igneous rocks form?
magma rises to the Earth's surface, cools, and solidifies
How do sedimentary rocks form?
Eroded by other rocks
How do metamorphic rocks form?
Under high heat or pressure
This is a very hard mineral that is used to make jewelry.
Diamond
What are the internal factors that change the Earth's relief?
Volcanoes and earthquakes
What are the external factors that change Earth's relief?
wind and water
Describe the characteristics of the tropical zone
warm all year, either very humid or very dry, near the equator
What climate zone is Spain located in?
the temperate zone
In this biome there are very few trees but an abundance of grass
Savannah
This biome has a lot of vegetation and biodiversity
Rainforest
What is an ecosystem?
All the species that live and interact together in a place
