Atoms & Molecules
States of Matter
Substances & Mixtures
What's the Matter?
Vocabulary
100
Everything in the universe is made of this
Matter, or atoms
100
What are the three most common states of matter?
Solid, Liquid, Gas
100
Substance or Mixture: Fruit Loops
Mixture
100
True or False: We can see molecules with our bare eyes
False
100
What is a substance?
Matter that is made of only one type of molecule or atom
200
True or False: A desk and a sweater are both made of atoms
True
200
How do you turn a liquid such as water into a gas?
By adding heat or boiling
200
Substance or Mixture: Diamond
Substance
200
What are the atoms in a molecule of water or H2O?
Two hydrogen atoms, one oxygen atom
200
What does attract mean
To pull on something, even without touching it, to come closer together
300
How many types of molecules are substances made of?
A substance is only made up of one type of molecule
300
When a liquid starts to solidify into a solid, its molecules do this
Slow down or come closer together
300
Substance or Mixture: Seawater
300
Substances with molecules that have low attraction to each other will
Separate, not be attracted to each other
300
Give 3 examples of emulsifiers
Corn Starch, Flour, Lecithin
400
Which is larger? An atom or a molecule?
A molecule (A molecule is made up of more than 1 atom)
400
True or False: When a liquid turns into a solid, the shape changes but the volume does not.
True!
400
Substance or Mixture: Milk
Mixture
400
What can be added to two substances that have molecules with low attraction to each other in order to get the substances to mix?
An emulsifier
400
What is a sediment?
A solid that has not dissolved in a liquid
500
What are mixtures made of?
Multiple types of substances (which are made of multiple types of molecules) (which are made of multiple types of atoms)
500
Name a mixture or the ingredients of a mixture that can mimic both a solid and a liquid?
Oobleck, cornstarch and water
500
What is the difference between a substance and a mixture?
A substance is made of only one ingredient. A mixture is made up of more than one substance.
500
Put the following in order from smallest to largest:
Mixture, Atom, Substance, Molecule
Atom, Molecule, Substance, Mixture
500
What is paper chromatography?
A way to separate a mixture into different substances that it is made of.