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WorksheetsVOF Element's Quiz 4
Total questions: 20
Worksheet time: 21mins
Roughly 20% of fresh water on Earth is used for agriculture.
True
False
Which of these is the purest form of natural water on Earth ?
Rainwater
Melted glacier water
Distilled water
Red sea's top layer of water
What is Mpemba effect ?
The Mpemba effect is a theory that states 50 years from now the ice and the glaciers will melt completely and flood to the heights of almost the Himalaya itself.
The Mpemba effect is a proven phenomenon stating that when sound waves interact with water they progressively become louder as you go deeper therefore creating an infinite sound wave.
The Mpemba effect is a phenomenon in which hot water freezes faster than cold water under certain circumstances.
Where are iceberg's formed ?
Land.
Ocean.
Troposphere.
Higher than the mesosphere where water condenses. Iceberg's are basically clouds that enter the ocean like a meteor in the form of an iceberg.
Which one of these have a higher density ?
Water
Ice
Water vapor
Oil
What was the Great oxidation event ?
The Great oxidation event occurred when cyanobacteria living in the oceans started producing oxygen through photosynthesis. As oxygen built up in the atmosphere anaerobic bacteria were killed leading to the Earth's first mass extinction. About 2,300 million years ago.
The Great oxidation event occurred when cyanobacteria living in the oceans started producing oxygen through photosynthesis. As oxygen built up in the atmosphere aerobic bacteria that used various other gases were killed leading to the Earth's first mass extinction. About 2,750 million years ago.
The Great oxidation event occurred when cyanobacteria living in the oceans started producing oxygen through photosynthesis. As oxygen built up in the atmosphere aerobic bacteria were killed leading to the Earth's first mass extinction. About 2,550 million years ago.
How many liters of air can an average human breathe every minute ?
7 - 8 liters
2 - 3 liters
20 - 22 liters
15 - 17 liters
How much of the oxygen we breathe do we actually use out of 100% ?
50%
21%
25%
33.3333~~~%
What can be used as a substitute for oxygen to burn energy ?
Acetylsalicylic Acid
Nitric Acid
Acidic Acid
Lactic Acid
How much of we breathe is actually oxygen out of 100% ?
33.333~~~%
20%
21%
50%
How old is the oldest tree in the world ?
5,700 year's
4,700 year's
14,500 year's
3,500 year's
How tall is the tallest tree in the world ?
411 Feet
321 Feet
357 Feet
379 Feet
When was the first Earth day observed ?
2001
1970
1982
1992
Who is called the father of Earth day
Gaylord Nelson
Vandana Shiva
Wangari Maathai
Mark Boyle
What was the Earth called before it was split into continents ?
Pagea
Pangea
Panea
Panga
Which of these are not a fire or sun god according to Asian mythology ?
Zhurong
Turgmam
Thanatos
Agni
Which of these are not required to start a fire ?
Fuel
Carbon dioxide
Oxygen
Heat
What type can Zuko bend as his main type ? (Avatar)
Water
Metal
Blood
Fire
Fire is a _______ reaction.
Exothermal
Chemical
Normal
Endothermal
Choice - choose any of the below one right one wrong it is purely based on luck all the best.
Write?
Right?
