Earth's Magnetic Field and Solar Activity

Earth's Magnetic Field and Solar Activity

Assessment

Interactive Video

Physics, Science, Geography

9th - 12th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video explores Earth's magnetic field, its erratic movement, and potential reversal. It discusses the magnetosphere's role in protecting Earth from cosmic radiation and the impact of solar activity like flares and coronal mass ejections. Geological evidence suggests magnetic field reversals occur over long periods, affecting Earth's climate and technology. The video concludes with a comparison to other planets' magnetic fields.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What could be a consequence of Earth's magnetic field reversal?

Oceans drying up

Earthquakes becoming more frequent

Satellites losing orbit

Increased volcanic activity

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the current trend of Earth's north magnetic pole?

It is moving towards the South Pole

It is stationary

It is moving towards the equator

It is moving erratically towards Siberia

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What role does the magnetosphere play in protecting Earth?

It deflects high-energy cosmic radiation

It stabilizes Earth's orbit

It increases Earth's gravity

It controls the weather

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary cause of Earth's magnetic field?

The gravitational pull of the Moon

The rotation of the Earth

Electric currents in the liquid iron core

The movement of tectonic plates

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the effect of a complete magnetic pole reversal on Earth's climate?

It might have a serious impact on the climate

It has no impact on the climate

It causes global warming

It causes a sudden ice age

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are coronal mass ejections?

Sudden volcanic eruptions on Earth

Massive solar flares

Magnetized clouds of gas from the Sun

Large meteor showers

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What can solar flares potentially cause on Earth?

More frequent earthquakes

Increased rainfall

A global blackout

Higher temperatures

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