S1 Unit 1.2 The Blue Planet

The earth is often called the

Which hemisphere contains more land?

• Northern Hemisphere

• Southern Hemisphere

The earth looks blue from space because of its abundance of

• oxygen in the atmosphere, sea, and oceans

• oxygen in the atmosphere, land, and oceans

• gas, sea, and oceans

The most important factors for life to exist on earth are?

• gas and water

• oil and money

• oxygen and water

• water and land

True or False: The earth is a perfectly round sphere

• True

• False

Which hemisphere contains more oceans and seas?

• Northern Hemisphere

• Southern Hemisphere

If something is flattened you would say that it is

Fine lines are known as

The imaginary line that runs around the middle of the earth is known as the

• axis

• pole

• hemisphere

• equator

The shape of the earth is a

• geoid

• sphere

• circle

• square