You cannot see it or taste it, you cannot even smell it, it's called ____
What is air?
__ of Earth's water is fresh
What is 3%?
December's shadow is ______ than June's.
What is longer?
You have to throw an object ______ meters per second for it to go up into Earth's atmosphere.
What is 2,320?
A time of year that brings predictable __________________ to region on Earth.
What is climate?
_____ is the most abundant gas.
What is nitrogen?
The ______________ is the reason that we never run out of water.
What is the water cycle?
The sun rises in the East and sets in the _____.
What is West?
Newton was the first to realize that all objects have _____________
What is gravity?
A ____ is made up of ice, rocks, and gas.
What is a comet?
_____ is the process by which water escapes into the air from plants.
What is transpiration?
A ______ is a change in atomic structure that creates vast amounts of heat and light energy, as in the reactions that occur in the Sun.
What is Thermonuclear Reaction?