WHMIS
Pesticides are a good example of something this WHMIS symbol might be found on.
What substances might the Environment symbol be found on?
Tied back and out of the way.
How must you wear long hair in a lab?
1. A change in size, shape, or state.
2. No new substance is formed.
What are two characteristics of physical change?
A physical substance that has mass and takes up space (volume).
What is matter?
This animal cannot physically look up at the sky.
What can't pigs physically do?
Workplace Hazardous Materials Information System.
What does WHMIS stand for?
Food, drinks, and gum.
What is absolutely not allowed?
1. A change in the physical and chemical properties.
2. A new substance is formed.
What are two characteristics of chemical change?
Substances distinguished by their atomic number that cannot be broken down into simpler substances; they make up all matter.
What is an element?
One quarter of your bones are here.
How many of your bones are in your feet?
A common place to find this symbol is on sharps (or needle) containers in a hospital.
Where is a common place you might find the biohazardous symbol?
Baggy clothes, dangly jewelry, and open toed shoes.
What cannot be worn in the lab?
A tire is inflated, an apple is cut, and ice melts.
What are three examples of physical changes?
A completely uniform mixture.
What is a homogenous mixture?
Sloths can hold their breath longer than this animal.
Which animal can hold their breath longer than dolphins?
Burns, blisters, scarring, and other extreme tissue damage are all risks associated with this symbol.
What are some risks associated with the corrosive symbol?
Rowdy, irresponsible behavior and horseplay.
What behavior is not allowed?
Milk souring, food being digested, and silver tarnishing.
What are three examples of chemical changes?
A non-uniform mixture with at least two separate identifiable components.
What is a heterogenous or mechanical mixture?
This insect's ears are on their bellies.
Where are grasshoppers' ears?
Substances with this symbol can combust, and possibly cause chemical or cold burns and injuries from out-of-control containers under high air leak pressure.
What are possible risks of substances with the Gas Cylinder symbol?
Immediately notify the teacher.
What happens if something goes wrong?
Usually a gas or other byproduct is given off.
What else is produced during a chemical change other than a new substance being formed?
Bronze is an example of this type of matter.
What is an example of a homogenous mixture?
They are named Deimos and Phobos.
What are Mars' two moons named?