Geology
Hydrology
Meteorology
Ecology
Astronomy
100

What color is the mantle?

Green

100

If matter cannot be created or destroyed, what does that mean about the water we drink?

The water was the same water the dinosaurs drank

100

What are contrails?

The clouds that planes leave behind them

100

Was Lucy human?

Close to one, but she was actually part of a hominin species called the Australopithecus afarensis

100

What would it be like to be sucked into a black hole?

You would die very quickly after being 'spaghettified' but everyone else would see you forever floating in front of the black hole because the gravity is so incredible that it can literally bend time

200

Is diamond the hardest material?

No. There is a material called wurtzite boron nitride that is harder

200

What percent of your brain is water?

about 73%

200

Give me something I definitely didn't know

March 23 is World Meteorological Day

200
How many trees are cut down every day so that we can have toilet paper?

27,000

200

What is the co-formation theory easily dismissable?

The moon is both too similar composition-wise with earth, and too large to have formed as Earth's natural satellite

300

How many minerals exist on Earth?

Over 4000

300

Does water exist below the crust?

Yes! A giant ocean was found 700 km in the earth recently, hidden in blue rocks called ringwoodite.

300

Is weather actually predictable?

Not really. It's extremely difficult to predict the weather accurately

300

How long can aluminum be recycled?

Forever. It loses no quality when recycled

300

Is Pluto dead?

Pluto is very much alive to the point where its boiling cold nitrogen springs cover the planet often, making it very smooth even out with all of the comets in the Kuiper Belt

400

Is obsidian good for making weapons?

Naturally, obsidian isn't a very durable material and has the same basic qualities as regular glass. However, when cut into slimmer pieces, it can be stronger than steel, able to cut off the head of a horse

400

What is the name of the one large ocean on earth?

The global or world ocean

400

How can I tell when something catastrophic is about to happen?

Follow your dog, cat, or any animal nearby because they can hear and sense weather issues much better than we can

400

How long does a glass bottle take to decompose?

over 4,000 years

400

Does Curiosity sing itself Happy Birthday every year?

Curiosity only sang itself Happy Birthday on its first successful year and hasn't since. It was very complicated and expensive coding and we're very lucky they did it the first year

500

How many minerals are commonly found on the earth's crust?

only 30

500

How much water is used in the US per day?

Approximately 400 billion gallons

500

Can 2 large events happen at once?

Almost always. Earthquakes and tornados cause tsunamis, and erupting volcanos have been followed by thousands of lightning strikes 

500

How much does the population of humans change per year?

+88 million

500

It's so cool that you know stuff about Pluto! Do you have something else about it for the sole purpose of filling this last question box?

Why, yes! I do. Pluto's orbit is sometimes closer to the sun than Neptune's. This means that there's an opportunity to warm the freezing pseudo-planet just a bit. It has been theorized that under the solid nitrogen surface, a warmer ocean is hidden, fueled by the little bit of heat from the sun and a large core like structure. If it truly exists, there's a possibility that intelligent life lies there.

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