Chemistry / Biology
Geography
Curiosities
100

What is the chemical formula of water?

That was easy, huh?!

It's H20!

100

Brazil faces which ocean?

The Atlantic!


100

What is water called on its gas and solid forms?

Vapor/steam and ice, respectively. :)


200

At what temperature does water start boiling?


Some very hot 100ºC!

200

How many oceans are there?

In total, there are 5!

200

How much of a watermelon is water? (2% error tolerance)


About 92% percent!

300

How much water do blue whales swallow when they are eating?

a. 100,000 gallons of water

b. 50,000 gallons of water

c. 10,000 gallons of water

An adult blue whale takes up to 10,000 gallons of water into her mouth at one time while she's eating!

300

Which is the biggest river in the world?

a. The Nile river

b. The Amazon river

c. The Ganges river

The answer is A (the Nile river with 6,650 km).

300

How many mL of water are there in a gallon?

a. 3785.411784 mL

b. 7570.823568 mL 

c. 11356.235352 mL 

That's letter A (3785.411784 mL  of water!)

400

How much of an adult's lung is made of water?

a. 23%

b. 53%

c. 83%

It is 83% made of water!

400

Say the name of all oceans on Earth!

Arctic, Atlantic, Indian, Pacific and Southern!


400

What are these underwater circles found in Japan's ocean floors?

a. Nothing. This is fake, actually...

b. A mating ritual from a specific fish.

c. They are formed because of land tremors from earthquakes.

It's B, baby! That's a blowfish's art pice!

500

At what temperature does water melt?


At 0ºC, son!

500

What percentage of the Earth's surface is covered by water? (2% error tolerance)


71% of the Earth is water-covered!

500

Why you can only flot in the dead sea?


The Dead Sea's salt concentration is 34%, so humans float in the Dead Sea!