Core (Earth sciences)

Core (Earth sciences)

Assessment

Interactive Video

Science, Geography, Physics, Chemistry

6th - 12th Grade

Hard

Created by

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FREE Resource

The video tutorial discusses larger cosmic structures such as stars, planets, and galaxies. It then focuses on the Earth's inner core, highlighting its high temperature and solid iron composition due to immense pressure. The outer core is described as having lower pressure, allowing the iron to remain in a liquid state.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is considered a larger structure in the universe?

A cell

A molecule

A mountain

A star

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the approximate temperature of Earth's inner core?

2000°C

1000°C

7000°C

5500°C

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why does the Earth's inner core remain solid despite its high temperature?

Because it is made of ice

Due to the presence of water

Due to low temperature

Because of the high pressure

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What state is the iron in within the Earth's outer core?

Solid

Liquid

Plasma

Gas

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What causes the iron in the Earth's outer core to be in a liquid state?

Low temperature and low pressure

High temperature and low pressure

Low temperature and high pressure

High temperature and high pressure