Earth science

Poll

1.The 3 D shape that describes the shape of the Sun, Moon and Earth is

• Circle

• Cube

• Sphere

• Square

Poll

2.The formation of Earth and its shape is due to its ________.

• Gravity

• Density

• Magnetism

• Temperature

Poll

3.For many years most people mistakenly thought that the Earth was

• a) very old.

• b) spherical in shape.

• c) the only planet in the universe.

• d) flat.

Poll

4.Proof of the earth's shape includes

• a)Not floating off into space

• b) Photographs from satellites and astronauts

• c) The moon passing between the sun and earth

• d) Ships not dropping off the earth's edge

Open Ended

5.Why the Sun, Earth and Moon  appear as approximately spherical bodies?

   Give a reason for it.