The Earth

The Earth is not flat, but it’s not perfectly round either.

• True

• False

The duration of days has not changed.

• True

• False

The Earth’s continents have come together and separated several times

• True

• False

Only microscopic and simple organisms lived about 600 to 800 million years ago, during which time the Earth experienced several ice ages.

• True

• False

NASA astrobiologists travel to extreme environments to look for micro-organisms, hoping to learn how life might exist on other planets.

• True

• False

Gravity in the Himalayas is stronger.

• True

• False

Because of climate change the Earth’s sea level has never been higher

• True

• False

In about 5 billion years the sun will exhaust its supply of oxygen and die.

• True

• False

There are two asteroids which are very close to the Earth.

• True

• False

The calm before the storm is a myth.

• True

• False