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Can you see atoms with a microscope?
NO
What are the three phases of matter?
solid, liquid, gas
How do the molecules MOVE and how are they SPACED in a solid?
Move slow (vibrate) and very close together
How do the molecules MOVE and how are they SPACED in a gas?
move very fast, spread far apart
What do we call it when water changes from a liquid to a gas? (think of when you boil water on the stove...)
Evaporation
What is the definition of a HETEROgeneous mixture?
Mixed unevenly, different
What is the definition of a HOMOgeneous mixture?
Mixed evenly
What is an example of a heterogeneous mixture?
Trail mix, cereal and milk, chocolate chip cookie, etc.
What is an example of a homogeneous mixture?
gatorade, soda, milkshake, etc.
Carbon dioxide (CO2) is an example of a what?
Molecule or compound
Oxygen is an example of a what?
Element
What is the density of water?
1.0 g/mL
If something has a density HIGHER than 1.0, it will ___________ in water.
Sink
If something has a density HIGHER than 1.0, it will ___________ in water.
Sink
If something has a density LOWER than 1.0, it will ___________ in water.
Float
What is the formula for solving for density?
Density = Mass/Volume
