Natural Disasters and Phenomena

The video introduces natural phenomena and disasters, explaining their causes and effects. It covers earthquakes, volcanic eruptions, tsunamis, tornadoes, hurricanes, forest fires, and floods. Each section provides insights into how these events occur and their potential impacts. The video emphasizes the importance of understanding these phenomena to mitigate risks and encourages further learning.

What is the main difference between natural phenomena and natural disasters?

• Natural disasters are beneficial to the environment.

• Natural phenomena occur naturally, while disasters are dangerous forms of these phenomena.

• Natural disasters are caused by humans.

• Natural phenomena are always dangerous.

What causes an earthquake?

• The rotation of the Earth.

• The eruption of a volcano.

• The collision of tectonic plates.

• The movement of ocean currents.

Which scale is used to measure the strength of earthquakes?

• Beaufort scale

• Richter scale

• Kelvin scale

• Fahrenheit scale

What is magma called when it reaches the Earth's surface?

• Ash

• Lava

• Molten rock

• Sediment

Where is the majority of the world's volcanoes located?

• The Arctic Circle

• The Pacific Ring of Fire

• The Atlantic Ocean

• The Sahara Desert

What can cause a tsunami?

• A strong wind

• A drought

• A volcanic eruption under the sea

• A forest fire

How do international systems help during a tsunami?

• By stopping the tsunami

• By providing financial aid

• By issuing evacuation alerts

• By predicting the exact time of the tsunami

What is the shape of a tornado?

• A tube with a wide top and narrow bottom

• A triangle

• A flat circle

• A square

What is the maximum category for a hurricane?

• Category 6

• Category 3

• Category 5

• Category 4

What is a common natural cause of forest fires?

• Earthquakes

• Lightning strikes

• Heavy rainfall

• Tornadoes