EARTH

What is the shape of the Earth?

• Round

• Oblate Spheroid

• Elongated

• Square

Answer explanation

Scientists and astronauts considers Earth shape is an oblate spheroidThis means it is spherical in shape, but not perfectly round. It has a slightly greater radius at the Equator, the imaginary line running horizontally around the middle of the planet. In addition to bulging in the middle, Earth’s poles are slightly flattened.

Water covers how many percent of the Earth's surface?

• 30

• 50

• 60

• 70

Answer explanation

Earth is special because it is an ocean planet. Water covers 70% of Earth's surface.

This is the most abundant gas on Earth's atmosphere.

• Argon

• Carbon Dioxide

• Nitrogen

• Sulfur

Answer explanation

The most abundant gas is nitrogen, which makes up 78.1% of the

atmosphere. Oxygen comes second at 20.9%, and argon, a noble gas, is at 0.9%. Lastly, carbon dioxide and the rest of the gases combined constitute 0.1%.

Earth's thinnest layer in terms of structure is _______.

• Crust

• Mantle

• Core

• Inner Core

Answer explanation

Earth’s crust is the planet’s thinnest layer, accounting for just 1% of Earth’s mass. There are two kinds of crust: thin, dense oceanic crust and thick, less-dense continental crust.

This is a branch a branch of science responsible for measuring the Earth's size and shape.

• Geography

• Geodesy

• Astronomy

• History

Answer explanation

To ensure that the Earth's size and shape are studied accurately, geodesy, a branch of science responsible for measuring the Earth's size and shape with surveys and mathematical calculations is used.

How long is a day on earth?

• 365 days

• 12 hours

• 24 hours

• 22 hours

Answer explanation

The rotation of the earth on its axis is equivalent for 24 hours

What are the reasons for the seasons?

• Earth's rotation and revolution

• Earth's tilt and resolution

• Earth's tilt and revolution

• Earth's Tilt and rotation

Answer explanation

The causes of the seasons of the earth are the Earth 's rotation and revolution

The season that comes before winter is?

• Winter

• Spring

• Fall

• Summer

Answer explanation

Fall

The earth orbits around the ___.

• Solar System

• Moon

• Sun

• Mars

Answer explanation

Sun

The hemisphere where you live?

• Eastern

• Western

• Northern

• Southern

Answer explanation

Northern