Space
the number of seasons we have in a year
What is four ?
Pluto is this type of object.
What is a dwarf planet?
The earth makes 365 rotations in this time.
What is a year?
The distance light travels in a year.
What is a light-year?
The amount of matter in a certain volume.
Density
The gas state of water is called this.
What is water vapor
This is tilted at 23.5 degrees off straight up and down
What is the Earth's axis?
This measures the average speed of molecules
What is Temperature
When two substances are so well mixed that one is dissolved in another.
What is a solution?
Steam is this state of matter
What is a liquid?