Lab Safety
Mixtures
Physical and Chemical Properties
Mass and Volume
Density
100
We wear this Gucci item to protect our eyes.
What are goggles?
100
In this mixture substances are not evenly distributed. Examples are pizza, a salad, or chocolate chip cookies.
What are heterogeneous mixtures?
100
These can be observed with the 5 senses and without altering the substance.
What are physical properties?
100
The formula for measuring the volume of a cube or bar.
What is l x w x h?
100
The formula for measuring density.
What is D= m/ v
200
If something had this label you would not put it near an open flame.
What is flammable?
200
In this mixture substances are evenly distributed. Examples are salt water or kool-aid
What is homogeneous?
200
Property that can only be observed by altering the substance.
What is chemical property?
200
V final - V initial
What is the formula for water displacement?
200
1.0 g/cm3
What is the density of water?
300
If something had this label, you would not eat it or swallow it.
What is toxic?
300
A mixture where one of the substances dissolves in the other.
What is a solution?
300
The 3 states of matter.
What are solid, liquid, and gas?
300
The amount of matter in an object.
What is mass?
300
The reason oil floats on water
What is a density less than 1.0 g/mc3?
400
Labels that would be on a substance that could eat away at clothing and be deadly if ingested.
What is toxic and corrosive?
400
This mixture can be separated by boiling the water.
What is salt water?
400
Reacts with copper chloride.
What is a chemical property?
400
The amount of space an object or substance occupies.
What is volume?
400
A piece of metal that has a mass of 20 g and a volume of 5 ml would have this density.
What is 4g/ml?
500
You do this before starting any lab.
What is read all procedures?
500
Best way to separate sand from iron pieces.
What is a magnet?
500
Density, boiling point, melting point, conductivity, solubility.
What are size independent physical properties?
500
If a block of wood has a density of 5 g/cm3 and a mass of 15 g, what is the volume?
What is 3 cm3?
500
The density of an object with a mass of 100g and a volume of 20ml.
What is 5g/ml?
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