- Question of
What are the most abundant elements on Earth?
- Hydrogen, magnesium and aluminum
- Hydrogen, sodium, zinc
- Iron, oxygen and silicon
- Carbon, nytrogen and manganese
- Question of
Earth’s atmosphere reaches out to about how much into space?
- 7,500 kilometers
- 5,000 kilometers
- 950 kilometers
- 10,000 kilometers
- Question of
What name receives the lowest layer of Earth’s atmosphere?
- Exosphere
- Troposphere
- Stratosphere
- Thermosphere
- Question of
Earth’s magnetic field is caused by:
- Its proximity to solar wind
- The metal concentration in its crust
- Its molten iron-nickel core
- None of the above
- Question of
Stretching for some 5,000 kilometers, which would be Earth’s second longest mountain range?
- Southern Great Escarpment in Africa
- The Andes in South America
- Transantarctic Mountains, in Antarctica
- Rocky Mountains in North America
- Question of
The Waitomo Glowworm Caves are found in which country:
- Tanzania
- Mongolia
- Madagascar
- New Zealand
- Question of
What is Earth’s deepest canyon and where is it found?
- Colca Canyon in Peru
- Kali Gandaki Gorge in Nepal
- Grand Canyon in Arizona
- Tara River Canyon, Montenegro
- Question of
Vostok, a fresh water lake permanently buried beneath an ice sheet,is located where?
- Antarctica
- Siberia
- Canada
- Alaska
- Question of
Jeita Grotto, the cave with the world’s largest stalactite is located where?
- Brazil
- Algeria
- Lebanon
- Portugal
- Question of
Earth ‒all of us, in fact‒ travel around the Sun at a speed of
- 1,690 kilometers per hour
- 23,000 kilometers per hour
- 107,182 kilometers per hour
- 84,720 kilometers per hour
- Question of
Water accounts for how much of Earth’s total mass?
- Less than 1%
- Less than 10%
- Less than 15%
- Less than 19%
- Question of
Tides in oceans happen due to what phenomenon?
- Winds rippling water surface
- Earth’s tectonic plates movement
- Moon’s gravitational pull
- Weather changes in the atmosphere
- Question of
What percentage of all species that ever existed on Earth are now extinct?
- 12%
- 99%
- 53%
- 26%
- Question of
The velocity of rotation of the Earth is:
- Slowing down
- Always steady
- Speeding up
- Question of
In what place on Earth is easier to find meteorites?
- Canada
- Siberia
- Mexico
- Antarctica
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