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6th Grade Chemistry

QuestionAnswer
A characteristic of matter that can be seen or measured WITHOUT CHEMICALLY CHANGING that matter is ______________ . Physical property.
A characteristic of matter than can only be observed when one substance changes into or produces something new is a _____________ . Chemical property.
A change in which the identity of matter transforms into another type or kind that may have very different properties from the original is known as a _______________ change. Chemical
A change in which the identity of the substance does not change is known as a ____________ change. Physical
The state of matter in which the molecular configuration is the most spread out because the atoms have the most energy and are moving fast is the _____________ state. Gas
The state of mater that is created when heat (more energy) is added to a solid is the _____________ state. Liquid
The state of matter with the least energy in which the atoms are tightly packed together and vibrate slowly in place is the ________________ state. Solid
A pure substance in its simplest form (a single atom) that cannot be broken down into any other substance by chemical or physical means is a(n) _______________. Element
A pure substance made of two or more elements chemically combined in a set ratio is a _________________. Compound
When one or more of the same element combine and the substance can exist alone and keep it's original properties is a _____________________. Mixture
What is the name for the particles INSIDE the nucleus of an atom? Protons and Neutrons
Electrons move around in the nucleus of an atom in what are known as shells or energy levels the charge of an electron is? Neutral (no charge)
The charge of a proton is? Positively charged
The elements arranged in vertical columns of the periodic chart have similar properties and are also known as_____________ and or _______________. Groups and or families.
The horizontal rows of the periodic table are known as? Periods
Anything that has mass and takes up space is called? Matter
List at least three examples of physical properties? Boiling Point, Freezing Point, Color, Smell
List at least three indicators or clues that a chemical change has occurred. Change in smell/odor, Change in temperature, Change in color, Change in state (solid to a liquid OR a liquid to a solid), Formation of bubbles.
List at least three specific examples of a chemical change. Burning Wood, Digesting Food, Dissolving Salt in water.
Created by: tonilynne1
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