Geology
Biology
Astronomy
Chemistry
Physics
100

Rocks formed from the cooling of magma/lava

What are igneous rocks?

100

The process through which populations of living organisms adapt and change 

What is natural selection?

100

When the moon partially or fully blocks the sun

What is a solar eclipse?

100

The element with the symbol "Au"

What is gold?

100

The property of a soundwave that is associated with volume (how loud the sound is)

What is amplitude?

200

The ancient remains of living things preserved in rock

What are fossils?

200
The largest organ in the human body

What is skin?

200

The planet whose orbit is closes to the orbit of Earth

What is Venus?

200

The element responsible for Mars's red appearance

What is iron?

200

A term describing the tendency for an object at rest to remain at rest

What is inertia?

300

The color of the gemstone "Peridot"

What is the color green?

300

The four letters that represent bases in DNA structure

What are A, T, C, and G?

300

There are about 6 trillion miles in one of these units of space distance

What is a lightyear?

300

Category of naturally occurring elements that are in group 18 on the Periodic Table, known for their unreactive nature

What are noble gases?

300

The energy transferred to or from an object via the application of force along a displacement

What is work?

400

The largest tectonic plate (shares a name with the ocean it lies underneath)

What is the Pacific Plate?

400

The branch of zoology concerned with the study of insects

What is entomology?

400
The center of a black hole

What is a singularity?

400

A mixture in which very small particles of one substance are distributed evenly throughout another substance

What is a colloid?

400

A unit of measurement equivalent to a kilogram-meter per second squared

What is a Newton?

500

The national gemstone of Australia, nicknamed the "fire of the desert"

What is Opal?
500

The amount of blood the average human has (in quarts)

What is 6 quarts?

500

The rapidly moving stream of charged particles that is being driven away from the sun

What is solar wind?
500

A unit of measurement that is often interpreted as the amount of disorder/chaos is in the system

What is entropy?
500

The speed of sound (in mph)

What is 761 miles per hour?