Bài kiểm tra 15 phút về Hình thành và Cấu trúc Trái Đất

How long ago did the Earth form?

• 3.5 billion years ago

• 4.5 billion years ago

• 5.5 billion years ago

• 6.5 billion years ago

What is the inner core of the Earth made of?

• Liquid iron and nickel

• Solid rock

• Solid metal

• Gas and dust

What is the temperature of the core in the Earth?

• 2200 degrees C

• 3500 degrees C

• 5200 degrees C

• 6000 degrees C

Which of the following layers is liquid?

• Crust

• Mantle

• Outer core

• Inner core

Which layer of the Earth is where life exists?

• Inner core

• Crust

• Mantle

• Outer core

The Earth is the ___ planet from the Sun.

• First

• Second

• Third

• Fourth

What is the distance from the Earth to the Sun?

• 93 million miles

• 100 million miles

• 75 million miles

• 120 million miles

Why is the distance of Earth from the Sun important for life?

• It keeps the Earth warm enough for life.

• It allows water to exist in the form of ice, liquid, and vapor.

• It protects the Earth from asteroids.

• It creates the Earth's magnetic field.

Which of the following phenomena is caused by the rotation of the Earth?

• Tides

• Seasons

• Day and night

• Earthquakes

What protects the Earth from harmful solar radiation?

• The oceans

• The magnetic field

• The atmosphere

• The mountains