Lab Safety
Properties: Physical or Chemical?
Element or Compound?
Changes: Physical or Chemical?
Properties: Intensive or Extensive?
Extra!
100
If there is a spill or other emergency in the lab, this is the first thing we do.
What is tell the teacher?
100
Solubility (Dissolving)
What is a physical property?
100
Water
What is a compound?
100
A test tube is knocked over and shatters.
What is a physical change?
100
Mass
What is an extensive property?
100
A mixture that is uniform throughout.
What is a homogeneous mixture?
200
The physical property this object measures:
What is volume?
200
Reactivity
What is a chemical property?
200
Table Salt
What is a compound?
200
Water is frozen into ice.
What is a physical change?
200
Color
What is an intensive property?
200
Matter with a definite shape.
What is a solid?
300
The best tool for protecting your eyes in a lab.
What are goggles or safety glasses?
300
Flammability (Burns)
What is a chemical property?
300
Oxygen
What is an element?
300
Paper combusts (catches on fire).
What is a chemical change?
300
Boiling point
What is an intensive property?
300
A mixture that is not uniform throughout.
What is a heterogeneous mixture?
400
An object that can be used to extinguish flames on a person's clothing.
What is a fire blanket?
400
Color
What is a physical property?
400
Sugar
What is a compound?
400
Iron rusts.
What is a chemical change?
400
Length
What is an extensive property?
400
Matter with no definite volume.
What is a gas?
500
The proper place to dispose of broken glass.
What is the broken glass container?
500
Luster
What is a physical property?
500
Lithium
What is an element?
500
Gold dissolves in acid.
What is a physical change?
500
Volume
What is an extensive property?
500
An example of something that is not matter.
What is light?