Math
Physical Science
Life Science
Earth Science
Space Science
100

This is what the letters P and E stand for in PEMDAS.

Parentheses and exponents

100

This property is measured by a thermometer.

Temperature

100

The largest animal on the planet

Blue whale

100

70% of the Earth is covered in this.

Ocean/water

100

The force responsible for pulling objects towards Earth's surface

Gravity

200

Type of number with a numerator and denominator

Fraction

200

This property measures how much "stuff" is in an object.

Mass

200

This technique is used by some animals (like chameleons) to help hide from predators.

Camouflage 

200

This rock is a fossil fuel used for heat and energy.

Coal

200

Another name for the Earth's only natural satellite

The Moon

300

A shape that has 4 congruent sides and 4 right angles

Square

300
This is the boiling point of water in Celsius.

100 degrees

300

Male members of this species give birth to their young, not the females.

Seahorse

300

This process refers to the shaping or breaking down of land by water or wind.

Weathering & Erosion

300

The curved path an object takes as it revolves around a planet or star

Orbit

400

The answer to a division problem

Quotient

400

The scientist who discovered the law of gravity after getting hit in the head by an apple

Sir Isaac Newton

400

Bees collect and use this to make honey

Pollen or nectar

400

75% of the rock on Earth's surface is this type

Sedimentary

400

The first Apollo mission to successfully land on the Moon

Apollo 11

500

654 minus 43

611

500

The positively charged particle inside an atom

Proton

500

A strategy used by bats to locate their prey in the dark using sound

Echolocation

500

This type of weather front leaves behind warmer temperatures

Warm front

500

The planet closest to the sun

Mercury

600

The factors of 20

1, 2, 4, 5, 10, and 20

600

The color you get when you mix every color of light

White

600

The smallest unit which makes up all living things

Cell

600

Crust, mantle, inner core, outer core

The four layers of the Earth

600

The largest planet in the solar system

Jupiter

700

144 divided by 6

24

700

The hardest known natural material

Diamond

700

This term refers to animals which eat both plants and meat

Omnivore

700

Roughly 90% of all earthquakes occur in this region on the edges of the Pacific Ocean

The Ring of Fire

700

The hottest planet in the solar system

Venus

800

212.568 rounded to the nearest hundredth

212.57

800

The number of naturally-occurring elements in the periodic table

92

800

The process where plants convert sunlight to energy

Photosynthesis

800

The type of cloud responsible for thunderstorms

Cumulonimbus

800

The season with the shortest days

Winter

900

500 + 1000 - 300 x 4

300

900

The lightest element on the periodic table and the most abundant element in the universe

Hydrogen

900

The breaking down of dead things

Decomposition
900

The first eon in Earth's geologic history, when volcanic eruptions and meteoroid collisions made it nearly impossible for life to survive

Hadean Eon

900

These are caused by the tilt of the Earth.

Seasons

1000

The answer to 3+(6(11+1-4))/8x2

15

1000

The only metal that's liquid at room temperature

Mercury (Hg)

1000

This is where you can find the smallest bones in the human body

Ear

1000

280 million years ago, movement of tectonic plates caused this massive supercontinent to split into the continents we know today.

Pangaea

1000

The number of moons orbiting Jupiter

92