This is what the letters P and E stand for in PEMDAS.
Parentheses and exponents
This property is measured by a thermometer.
Temperature
The largest animal on the planet
Blue whale
70% of the Earth is covered in this.
Ocean/water
The force responsible for pulling objects towards Earth's surface
Gravity
Type of number with a numerator and denominator
Fraction
This property measures how much "stuff" is in an object.
Mass
This technique is used by some animals (like chameleons) to help hide from predators.
Camouflage
This rock is a fossil fuel used for heat and energy.
Coal
Another name for the Earth's only natural satellite
The Moon
A shape that has 4 congruent sides and 4 right angles
Square
100 degrees
Male members of this species give birth to their young, not the females.
Seahorse
This process refers to the shaping or breaking down of land by water or wind.
Weathering & Erosion
The curved path an object takes as it revolves around a planet or star
Orbit
The answer to a division problem
Quotient
The scientist who discovered the law of gravity after getting hit in the head by an apple
Sir Isaac Newton
Bees collect and use this to make honey
Pollen or nectar
75% of the rock on Earth's surface is this type
Sedimentary
The first Apollo mission to successfully land on the Moon
Apollo 11
654 minus 43
611
The positively charged particle inside an atom
Proton
A strategy used by bats to locate their prey in the dark using sound
Echolocation
This type of weather front leaves behind warmer temperatures
Warm front
The planet closest to the sun
Mercury
The factors of 20
1, 2, 4, 5, 10, and 20
The color you get when you mix every color of light
White
The smallest unit which makes up all living things
Cell
Crust, mantle, inner core, outer core
The four layers of the Earth
The largest planet in the solar system
Jupiter
144 divided by 6
24
The hardest known natural material
Diamond
This term refers to animals which eat both plants and meat
Omnivore
Roughly 90% of all earthquakes occur in this region on the edges of the Pacific Ocean
The Ring of Fire
The hottest planet in the solar system
Venus
212.568 rounded to the nearest hundredth
212.57
The number of naturally-occurring elements in the periodic table
92
The process where plants convert sunlight to energy
Photosynthesis
The type of cloud responsible for thunderstorms
Cumulonimbus
The season with the shortest days
Winter
500 + 1000 - 300 x 4
300
The lightest element on the periodic table and the most abundant element in the universe
Hydrogen
The breaking down of dead things
The first eon in Earth's geologic history, when volcanic eruptions and meteoroid collisions made it nearly impossible for life to survive
Hadean Eon
These are caused by the tilt of the Earth.
Seasons
The answer to 3+(6(11+1-4))/8x2
15
The only metal that's liquid at room temperature
Mercury (Hg)
This is where you can find the smallest bones in the human body
Ear
280 million years ago, movement of tectonic plates caused this massive supercontinent to split into the continents we know today.
Pangaea
The number of moons orbiting Jupiter
92