VA Sol 5.4 Matter

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Science Matter unit. SOL 5.4

There are over 100 known elements that make up all ________.

matter

The the smallest part of an element is an _____.

atom

Anything that as mass and takes up space.

matter

All things, living and dead, are made of matter. True or False

True

When two of more elements combine to make a completely new substance is called a ____________.

compound

The smallest part of a compound is a _______. It is made of two or more atoms.

molecule

H2O is a compound known as ______.

water

NaCl (Sodium Chloride) is a compound called _____.

salt

Combination of two or more substances that do not lose their identifying characteristics when combined is called ______.

mixtures

A mixture in which one substance dissolves in another is called a ______.

solution

Matter can exist in what three states?

solid, liquid, and gas

If you heat a solid, it may:

melt into a liquid

If you heat a liquid, it may _____.

evaporate into a gas

If you cool a gas, it may _______ into a liquid.

condense

If you cool a liquid, it may _________ into a solid.

freeze

________ keep their shape and have a fixed size, shape, and volume.

Solids

_______ take the shape of their container. They have a movable surface, but their volume is fixed.

Liquids

_______ take the shape of their surface. The size, shape, and volume of _____ changes depending upon the size of the container.

Gas, gas

Clouds, dew, water droplets on the outside of a glass on a hot day, are all caused by ______.

condensation

As temperature increases, many kinds of matter change from a solid to a liquid to a ____.

gas

When you heat matter, the atoms and molecules:

move faster and usually spread apart

What three particles make up an atom?

protons, neutrons, electrons

All matter, regardless of size, shape, or color, is made of particles (atoms and molecules) that are too ______ to be seen by the eye.

small

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