Planet Earth: spheres, movements and natural disasters.

The two different movements of the Earth are ________ and revolution.

Revolution is the movement of the Earth around the ___.

The Earth takes ________ to complete a rotation around on its axis.

• 365 days and 6 hours

• 365 days

• 24 hours

• 366 days

Revolution causes ________ to happen.

• day and night

• seasons

• earthquakes

• tornadoes

Which sphere of the Earth contains water on and above the Earth's surface?

• Hydrosphere

• Geosphere

• Biosphere

• Atmosphere

Which sphere of the Earth includes the land on and below the Earth's surface?

• Hydrosphere

• Geosphere

• Biosphere

• Atmosphere

What is a leap year?

• It's the year that ends in 4.

• It's the year that has less days than the rest.

• It's the year that has got 366 days.

• It's the year that people spend travelling around the world.

When is the extra day in a leap year?

• February 1st

• December 31st

• June 31st

• February 29th

What natural disaster happens when tectonic plates crash into each other?

What natural disaster consists of a large wave that can travel across the sea?