Astronomy
Geology
Chemistry
Human Body
Physics
100

How did the dinosaurs die?

An asteroid impact.

100

What is the worlds longest river?

The Nile River

100

What is the first element on the periodic table?

Hydrogen

100

How many teeth does an adult have? More or less than 20 teeth?

32 teeth

100

Who discovered gravity?

Isaac Newton

200

Would you weigh more or less on mars?

Less
200

How are tsunamis formed?

An earthquake in the ocean can send huge tsunamis hurling at the shore.

200

What gas do we produce during respiration?

CO2

200

Where is the smallest bone in the human body?

The stapes or stirrup located in your ear.

200

What unit measures energy from food?

Calories

300

How long ago did our solar system form?

4.6 billion years ago

300

What is magma?

Lava before it comes out of a volcano.

300

What’s the difference between organic and inorganic chemistry?

Organic chemistry has carbon while inorganic chemistry doesn’t.

300

Where are red blood cells created?

In the bone marrow of your bones

300

What falls faster when dropped from a height in a vacuum: a feather or a brick? 

They’re the same

400

How many planets in our solar system have rings? 

4

400

What is the only rock that floats?

Pumice

400

What do diamonds, graphite, and coal all have in common?

They’re all made of carbon.

400

Roughly, how many cells does the human body contain? More or less than 1 trillion cells?

More, about 100 trillion cells

400

What is a magnet?

a material or object that has or produces a magnetic  field.

500

How many moons does Jupiter have? More or less than 20.

More, it has 80.

500

How tall is Mount Everest? More or less than 30,000 feet?

Less, it’s 29,029 feet (8,848 meters)

500

What’s the chemical formula for dry ice?

CO2

500

Roughly, how long does it take to fully digest food? More or less 24 hours?

12 hours

500

How fast does sound travel is MPH? More or less 200 MPH?

767 MPH