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5th Grade - Chapter 12 Properties and Structure of Matter

Teacher: Mrs. Morey
Across
A particle that contains more than one atom joined together
One of the three forms that matter can take - solid, liquid or gas
a particle in the nucleus of an atom that has no net electric charge
The force of gravity between Earth and an object
The particular temperature for each substance at which it changes state from a solid to a liquid
A pure substance that cannot be broken down into any simpler substance
A measure of the amount of matter in an object
The temperature at which a substance changes state from a liquid to a solid
A measure of how tightly packed the matter in an object is
Down
A measure of how much space an object takes up
The passing of heat through a material while the material itself stays in place
A particle in the space outside of the nucleus of an atom that carries one unit of negative electric charge
Any substance that is formed by the chemical combination of two or more elements and acts like a single substance
To prevent heat from passing through
The particular temperature for each substance at which it changes from a liquid to a gas
The smallest unit of an element that retains the properties of that element
A particle in the nucleus of an atom that carries one unit of positive electric charge
An atom's dense center, where most of the mass is
Anything that has mass and takes up space