Earth
Earth's center
Life on Earth
Rocks
Maps
100
Mercury, Venus, Earth, Mars, Jupiter, Uranus, Neptune and Pluto.
What are planets?
100
It's the middle layer of the Earth and the thickest, It's made mostly of solid rock.
What is mantle?
100
The layer of air that surrounds the Earth.
What is atmosphere?
100
They are sedimentary or igneous rocks that have changed.
What are metamorphic rocks?
100
It is divided into two major branches; physical and human.
What is Geography?
200
Imaginary inclined line that goes through the center of the Earth.
What is axis?
200
It's very heavy and dense. It's made of a solid iron ball which is extremely hot and molten iron.
What is core?
200
Regions hosting living organisms.
What is Biosphere?
200
There rocks are formed at the bottom of lakes and oceans.
What are sedimentary rocks?
200
North, South, East and West.
What are cardinal points?
300
Spring, Summer, Fall and Winter.
What are seasons?
300
It's the Earth's outer layer. It's made of cool and brittle rock. It is the thinnest layer.
What is crust?
300
The cool and solid crust that covers Earth.
What is lithosphere?
300
It's a hard igneous rock that is formed under the ground.
What is granite?
300
They show, towns, cities, states and countries and their boundaries.
What are political maps?
400
It takes 365 days to go around the sun.
What is orbit?
400
It's like a humoungous fruit with a seed in the center.
What is Earth?
400
Its a system where we locate all the planets.
What is the Solar System?
400
They are formed when lava from a volcano cools.
What are igneous rocks?
400
They resemble topographic maps but beside elevation of terrains, they include the location of radio beacons, airports and landing strips.
What are aviation maps?
500
Earth takes 24 hours to spin on its axis.
What is rotation?
500
Core, Mantle and Crust.
What are the layers of the Earth?
500
All the water that is on the planet.
What is Hydrosphere?
500
Natural inorganic compounds from which all rocks are formed.
What are minerals?
500
They help ships to navigate the oceans. They show the depths of the water, the shorelines and the location of light houses.
What are hydrographic maps?
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