-Is a tentative explanation that is tested to determine if it is valid.
-This is a statement that is tested.
-Is tested more than once.
-Can be proven or disprove.
-Usually has If, then, because, in the statement.
-Is a cloud of gas and/or dust in space.
-Also made up of gas.
-Part of the nebular hypothesis.
-the collection of eight planets and their moons in orbit around the sun, together with smaller bodies in the form of asteroids, meteoroids, and comets.
-Is the mass per unit volume of a substance, usually expressed as grams per cubic centimeter.
-Tells you Which floats more.