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# States of matter

How can you figure out of which state of matter an object is?
You can find it out by examining its properties and the arrangement of its atoms.

Are all states of matters made up by atoms
Yes

Which properties are important to examine?
Shape, mass and volume

What is the difference in the definition of mass and volume?
Mass is the amount of matter an object has.
Volume is the amount of space the matter takes up.

How many states of matter do you know, which one of them are the most common?
Solid, liquid, gas, plasma or Bose-Einstein condensate.
The most common are solid, liquid, gas.

Define the term solid, the shape and name some examples.
The atoms are packed closely together and. They bond together and do not change shape.
Examples: beds, tables, ruler, food (not soup or sauces), longboard

Define the term liquid, describe the shape and name one example.
Liquids do not have a definite shape, but a definite mass and volume. Their atoms are close together, but but the difference is that those atoms can move around. Liquids can change shape by flowing. Liquids take up the shape of their containers. Sometetimes liquid is called fluid.
Example: water

Define the term gas, describe the shape and name one example.
Like liquids, gases do not have a definite shape or volume. Like liquids, gases will take the shape of their containers. If a gas is not in a container, it will spread out. The atoms of gases are spaced farther apart than in a liquid or a solid. That means that they can move around more freely. Usually you cannot see gases (like air).
Gas: oxygen

Define the term plasma, describe the shape, how is it formed and name some examples.
Plasma is formed when when energy is added to a gas and its atoms and molecules seperate. Since it has so much energy added to its atoms, it reacts to electrical and magnetic fields and its usually hot temperature.
Most stars are made up primarily of plasma.
Plasma is the most common state of matter found in our universe.
Examples (on earth): neon lights, lightning, aurora borealis (Northern lights).

Define the term Bose-Einstein Condensate, describe the shape and name some examples.
This fifth state of matter is not very common. The existance of this state of matter was developed by Albert Einstein Satyendra Nath Bose in the 1920’s, but it was not proven until 1995.
Only special particle (gases called bosons can turn into these condensates. It occures when they become very cold, close to the coldest temperature possible (absolute zero, around -273°C).

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