Geology
The Earth is made up of 3 layers: The crust, the mantle and the....
Core
Most all conductors of electrical energy are made of this material
Metal
Nicknamed the "Lungs of the Earth" this large region in South America produces more oxygen than any other on the planet.
Amazon Rain Forest
All objects in the universe observe this law of attraction
Gravity
An earthquake under the ocean floor can spawn this kind of natural disaster
Tsunami
The continents were once joined in a giant supercontinent called....
Pangea
Riding your bicycle on grass is more difficult due to this force
Friction
The last stop on a food chain, these living things break down plants and animals back into the soil
Super distances in space are measured in these units, abbreviated LY
Light Years
An abundance of this gas in the atmosphere, breathed out by humans, is the leading cause of global warming
Carbon dioxide
When two tectonic plates rub together, this natural disaster occurs
Earthquake
While north and south poles on a magnet attract, north and north poles will...
repel
A biome
The hottest stars in the galaxy are this color
Blue
All matter (solids, liquids, and gases) are made up of these tiny particles
Atoms
This natural process caused by wind and water is what formed the Grand Canyon over millions of years
Erosion
This simple machine made from a wheel and rope can help lift an elevator or a flag
A pulley
Producers in an ecosystem use this process to make their own food, turning sunlight and carbon dioxide into sugar
Photosynthesis
These 4 planets are known as the "outer giants"
Jupiter, Saturn, Uranus, Neptune
In the atmosphere, rain will change to snow at this temperature
32 degrees
Most types of Igneous Rock are this color
Black
This famous scientist came up with the 3 laws of motion that explain the action of every moving object
Isaac Newton
This largest sphere of the Earth contains the oceans, lakes, and rivers
Hydrosphere
There are this many total constellations in the night sky
88
Every year, a migration of this type of butterfly occurs between Canada and Mexico
Monarch Butterfly