Earth
Ecology
Physics
Fossils
Chemistry
100

The tallest mountain on Earth.

What is Mount Everest?

100

Type of organism at the bottom of the food chain.

What are Producers?

100

Newton's Second Law.

What is Force = Mass * Acceleration?

100

The dinosaur that name means "tyrant lizard king".

What is Tyrannosaurus Rex?

100

The chemical formula of water.

What is H2O?

200

The chemical layer of the Earth that has the most volume.

What is the mantle?

200

The type of relationship between 2 organisms where both organisms benefit.

What is Mutualism?

200
The specific value of gravity (metric units only).

What is 9.8 m/s^2

200
The age of the Earth.
What is 4.5 billion years?
200

The range of pH that is considered acidic. 

What is 0 to less than 7 pH?

300

The longest mountain range on Earth.

What is the Mid-Atlantic Ridge?

300

This consists of all populations of different species that live in a given area.

What is a community?

300

This is the state of matter in which sound moves the fastest.

What is a solid?

300

The state fossil of Pennsylvania.

What is a Trilobite?

300

The 2 elements that make salt.

What is Sodium and Chlorine?

400

The type of tectonic plate boundary with the most earthquakes.

What is a transform boundary?

400

The type of species whose role in an ecosystem is more important than others.

What are Keystone Species?

400

The formula for work.

What is Force * cos(θ) * distance traveled?

400

The period the Great Dying occured.

What is the Permian Period?

400

The gas produced when calcium carbonate reacts with hydrochloric acid.

What is Carbon Dioxide?

500

The tectonic plate that subducted to create the Rocky Mountains.

What is the Farallon Plate?

500

The ratio of carbon to nitrogen to phosphorus in oceans.

 What is 106:16:1?

500

The period of a simple pendulum with a length of 40 meters in terms of pi. Assume g = 10 m/s^2.

What is 4 pi?.

500

The dinosaur found interlocked in combat with a velociraptor.

What is protoceratops?

500

This type of reaction involves the exchange of electrons between two substances, often seen in rusting or combustion.

What is an oxidation-reduction (redox) reaction?