States of Matter
Properties of Phases of Matter
What if...
100
What are the three main states of matter?
Solid, Liquid, Gas
100
Which state has a volume and a shape?
A solid
100
What happens when molecules lose a lot of heat energy?
They freeze/become a solid
200
Name 3 solids
Table, Chair, Book
200
Which state has a volume but no shape?
A liquid
200
When a solid becomes a liquid because of heat, what happens to the atoms?
Speed up, break away from each other and start to slide all over
300
Name 3 liquids
Water, milk, syrup
300
Which state has no shape and flows easily?
A gas
300
What happens when liquids are exposed to air?
They evaporate. They molecules break away and mix into the air
400
Name 3 gases
Carbon dioxide, oxygen, helium
400
Why do solids keep the same shape?
Because the atoms move very slowly around each other or are almost completely still and just slightly vibrating
400
Why don’t gas atoms stay together like a solid or a liquid?
Because they vibrate and move around so much
500
If matter changes states or phases, what does stay the same?
The chemical structure or the atoms that it is made of
500
When an object’s atoms are packed closer together, then that object tends to have high or a low density?
High Density
500
What is it called when water drops form on an object like a water bottle?
Condensation
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