Earth Science Concepts and Facts

Which planet is the only one named in English?

• Mars

• Venus

• Earth

• Jupiter

What is the Old English word for "land"?

• Terra

• Earth

• Gaia

• Mundo

To which galaxy does Earth belong?

• Andromeda Galaxy

• Sombrero Galaxy

• Milky Way Galaxy

• Whirlpool Galaxy

What is the study of the size and shape of the Earth called?

• Astronomy

• Geology

• Geodesy

• Cartography

Before 500 BC, what did people believe about the shape of the Earth?

• It was a cube

• It was flat

• It was a pyramid

• It was a perfect sphere

Which scientists helped people understand that the Earth is spherical?

• Galileo and Copernicus

• Newton and Einstein

• Aristotle and Pythagoras

• Kepler and Hubble

What did Sir Isaac Newton show about the shape of the Earth?

• It is a perfect sphere

• It is a cube

• It is a compressed spheroid

• It is a flat disc

What is the true shape of the Earth called?

• Perfect Sphere

• Oblate Spheroid

• Cube

• Cylinder

How is the Earth's shape described in terms of its oblate nature?

• Very slightly oblate

• Extremely oblate

• Not oblate at all

• Perfectly spherical

When did scientists think Earth was formed?

• 3.5 billion years ago

• 4.6 billion years ago

• 5.5 billion years ago

• 6.6 billion years ago