Earth Science
Biology
Physics
Chemistry
Astronomy
100

This element is often mistaken for gold

Pyrite, or Fool's Gold

100

The powerhouse of the cell

What is the Mitochondria? 

100

What is Newton's third law?

Every action has an equal and opposite reaction.

100

Two molecules of hydrogen, one molecule of oxygen

What is water?

100

A natural satellite that orbits a planet is called...

A moon

200

The second waves of an earthquake

Aftershocks

200

This double helix structure contains all the genetic information of the cell...

DNA

200

Which is the theory that states that: energy equals mass times the speed of light in a vacuum squared?

Einstein's theory of relativity

200

A chemical bond that involves the sharing of electron pairs between atoms. These electron pairs are known as shared pairs or bonding pairs, and the stable balance of attractive and repulsive forces between atoms, when they share electrons

Covalent bond

200

What is a large planet composed mostly of gas with a small core called?

Gas giant

300

The study of rocks and minerals

Geology

300

Surplus red blood cells, needed to meet an emergency, are MAINLY stored in what organ of the human body?

Spleen

300

Lenz's law is an example of the law of conservation of one of the following. Is it conservation of: 

w) mass 

x) charge 

y) momentum 

z) energy 

Energy

300

The elemental building block of life on Earth

Carbon

300

Which unlucky Apollo lunar landing was canceled after an oxygen tank exploded?

Apollo 13

400

This mineral is created from dead plants and extreme heat and pressure over millions of years

Coal

400

A member of a large group of unicellular microorganisms which have cell walls but lack organelles and an organized nucleus, including some that can cause disease.

Bacteria

400

Mechanisms composed by wheel and rope used to lift heavy objects onto tall heights. They change the direction of an applied force and they can even reduce the force needed to lift a weight.

Pulley

400

What is the element represented by the symbol Sn?

Tin

400

A celestial body that orbits the sun, has enough mass to assume a nearly round shape, has not cleared the neighborhood around its orbit and is not a moon

dwarf planet

500

DJ - The name of a rapid rise of coastal water that accompanies the arrival of a cyclone is called:

w) hurricane 

x) storm surge 

y) tidal wave 

z) cyclonistat

Storm surge

500

Which of the following diseases has been eradicate from the world? 

a) cholera 

b) smallpox 

c) diphtheria 

d) poliomyelitis

Smallpox

500

The point on which a lever rests or is supported and on which it pivots.

Fulcrum

500

A process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.

A chemical reaction

500

DJ - A place in space where gravity pulls so much that even light can not get out. The gravity is so strong because matter has been squeezed into a tiny space. This can happen when a star is dying.

Black Hole?

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