Matter is anything that has mass and takes up space
Matter is made up of elements, like fire, air and earth
There are states of matter. are the state with the lowest energy. The in a solid are fixed in place. Liquids have more energy, and the particles can flow over each other to take the shape of the container. Gases have the most . The particles are spread far apart, moving fast, and will move to take up as much space as possible.
Which of these are correct when talking about a solid, like a wooden block?
The particles have low energy - they don't move easily, and just vibrate in place
The particles spread out to take up as much space as possible
Solids can't easily be compressed or squashed, because there isn't much space between the particles
Solids spread out to take the shape of their container
Particles in a solid can be arranged in a regular pattern or jumbled up randomly
Choose the correct labels for this picture
To change the state of some matter, you should add or remove heat energy
Material is the word used for a particular type of matter
All materials have the same properties
Matter can change when you add or remove heat from it. Solids change into by melting, while liquids change into by freezing or solidifying. Liquids change into gases by , while gases change back into liquids by condensing. Though rare, solids can change directly into by sublimating. When they change back, it is reverse sublimation.
If a material is springy or stretchy like elastic, we can assume that its particles are...
Arranged in fixed positions
Arranged in long strings that can flex easily
If a material is heavy, dense and hard, like a lead sinker, we can assume its particles are arranged...
Very closely packed in a rigid formation
Very loosely packed and free to move easily
If a material is volatile, like a perfume, we can assume that its particles...
Can flow over each other easily and escape into gas
Flow over each other very slowly
If a material is easily split into sheets or planes, like wood can be split with an axe, we can assume its particles are...
Arranged in loose, random structures that can be easily split
Arranged in patterns that are stronger one way (the way you can split it) than the other
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