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Copy of Phases of Matter and Changes of State
Transcript of Copy of Phases of Matter and Changes of State
Solids are always the same volume and shape, no matter what space they are in.
Liquids always have the same volume, but can change shape to fit the container they are in.
Gases can change shape and volume according to the space they are in.
Plasma doesn't occur on Earth, but is the most common form of matter in the universe.
Solids have molecules that are arranged very close together.
Molecules in solids are packed so tightly against one another that the most movement they can manage is to vibrate against each other.
Some solids that we use in our everyday lives are phones, clothes, books, and paper. Some naturally occurring solids are stone, wood, sand, and soil.
Liquid molecules are freer than solid molecules. They have more space in between them.
Liquid molecules can move just enough to bounce off one another.
Some liquids are found naturally, such as water, oil, and blood, but others are artificially made, such as soda, shampoo, and paint.
Gas molecules are the most loosely arranged of any phase of matter. Gas molecules are free to fill any space they are in.
Molecules in gas can move as much as their boundaries allow them to.
Some natural gases are carbon monoxide, oxygen, and nitrogen. Some man-made gases are tear gas, laughing gas, and car exhaust.
Molecules of plasma fly past each other with almost unlimited freedom. They bounce off each other and run into each other with so much energy that they start to strip electrons off other molecules and create random positive and negative molecules.
Most of the universe is made up of plasma. Some examples are the Sun and stars, lightning, and comet tails.
Plasma molecules are as loosely connected as those in a hot gas, but the electrons move separately from the protons, which makes the atoms more chaotic.
1) Instruction & Foldable
2) Phases story
Given a foldable template, students will describe particle arrangement and movement in the 4 different phases of matter