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Unit 1 Test

                     Understanding Matter
Across
Matter that can vary in composition.
The process of changing positions.
Positive particles found in the nucleus of atoms.
The English scientist that summarized his finding of motion into three laws.
Is the measure of the change in velocity during a period of time.
States that the total mass before a chemical reaction is the same as the total mass after the chemical reaction.
A scientific tool that allows you to observe small objects that you cannot observe with just your eye.
A collections of parts that work and act together as a whole.
A state of matter with a defined space and volume.
A noncontact attractive force that exists between all objects that have mass.
The element that is number one on the periodic table of elements.
Has the ability to cause change.
Down
The tendency of an object to resist a change of motion.
Anything that has mass and takes up space.
A small particle that is the building block of matter.
A process that uses a variety of skills and tools to answer questions or to test ideas about the natural world.
The amount of MATTER in an object.
A possible explanation about an observation that can be tested by scientific investigations.
The investigation and exploration of natural events and of the new information that results from those investigations.
Energy in Motion.
A negatively charged particle that occupies the space in an atom outside the nucleus.
The speed and direction of an objects motion.
The region at the center of an atom that contains most of the mass of the atom.
A push or pull on an object.