Our planet-Earth

Earth revolves around the Sun in _______, which is also referred to as ______.

• 365, 1 year

• 366, 1 year

• 365, 1 month

• 368, 2 years

How many natural satellites does the Earth have?

• 1

• 5

• 3

• 8

How many continents does our planet have?

• 7

• 8

• 9

• none of the above

Earth is the _______ planet from the sun.

About ______ percent of the Earth is covered in water.

• 80

• 99.9

• 70

• 71

An alternative name of the Earth is

• Land

• Human's Planet

• Water Planet

• Terra

Earth is ________ in shape.

• Circle

• Square

• Sphere

• Oval

How wide, in miles, is a degree of latitude?

• 74

• 68

• 97

• 69

What is the circumference of Earth at the equator

(in kilometers)?

• 10,000

• 40,000

• 50,000

• 60,000

The second layer of the earth is called

• Crust

• Mantle

• Core

• None of the above