An is the manipulated variable. What you change in an experiment.

A is the result of manipulation. Often times it's what you measure and collect data on.

is the component of an experiment that stays constant throughout the entire process.

is a conclusion made based off of available information or evidence.

is a prediction made based off of the available information.

is an explanation created from the results of numerous testing using scientific method.

- describe how nature will behave.

is the basic unit of Matter.

is anything that has mass.

is a matter with a specific composition and unique property.

is the elongating effect of a wavelength as it moves away from a viewer.

is the moment in time when the universe started to expand.

is the first to introduce the idea that all matter was made up of atoms.

provided the evidence through experimentation that showed that atoms did excist.

provided the first evidence that the atom is made of smaller particles.

provided evidence that showed that the electrons lay not inside the atom but instead outside.

provided new models ( with the help of J.J Thompson) to show that the electrons travel around the "orbitals" around the nucleus.

developed our current models of atom, The Electron Cloud.