Types of matter
True or False
A solution is clear
A person with a star in their chest in a diamond means what hazard?
Health Hazard
Mass divided by what equals density
Volume
A solvent is what?
(extra points if you can give 2 examples)
The thing in a mixture that does the dissolving
(Water, Acetone, Ethanol, Methanol)
If it can be physically separated, it is a ____
Mixture
A skeleton hand in a beaker
Corrosive hazard
(extra points for saying household hazard)
If temperature goes up, what does density do?
Go down
True or false
Liquids are compressible
False
True or false
Homogenous solutions do not have the same composition throughout
False
A flame over circle is for what hazards?
Oxidizing hazards
(extra points for saying it's a whmis symbol)
If something has neutral buoyancy, does it go up, down or stay put?
Stay put
The formula for pressure
Pressure= Force÷Area
What is the difference between a compound and an element?
Compound can be chemically separated, an element can not be separated
WHMIS Stands for
Workplace Hazardous Material Information System
The unit for pressure
Pascals (Pa)
Bernoulli's principle states what?
That fluids move from an area or high pressure to low pressure always
The 4 types of mixtures
Mechanical mixture, colloid, solution, suspension
______ cylinder can be used to precisely measure liquids
Graduated Cylinder
The formula for density
mass ÷ volume = density
to make a super saturated solution, what do you need to add?
Heat so it can dissolve more