Safety
By law, everyone in the workplace must be informed about the chemicals they use and how to handle them safely. In Canada, this is done through _____.
What is WHMIS?
What is Workplace Hazardous Materials Information System?
Anything that takes up space and has mass
a change that alters a substance without changing its chemical identity or composition
What is physical change?
holds its own shape
has a constant volume
What is solid?
takes the shape of its container
has a constant volume
what is liquid?
WHMIS Symbol: may cause less serious health effects or damage the ozone layer
What is Exclamation mark?
Characteristic that can be observed or measured without changing its chemical identity
What is Physical property?
during this, one type of matter changes to produce one or more different type of matter
What is chemical change?
takes the shape and volume of its container
can be compressed
what is gas?
most matter in the universe exists as this.
What is plasma?
WHMIS Symbol: for organisms or toxins that can cause disease in people or animals
What is Biohazardous infectious materials?
Quantity of matter in a sample that is being measured.
What is Mass?
Ability of matter to react with another substance to form one or more new substances with different properties
What is Chemical property?
explanation of a phenomenon in the natural world based on many observations and investigations.
what is a scientific theory?
when matter transforms from one state to another
What is changes of state?
This give safety information about a product.
What is Hazardous Household Products Symbols?
What is HHPS?
Amount of space that a material takes up
Mass is neither created nor destroyed during a chemical reaction
What is Law of Conservation of Mass?
the movement of one material through another
what is diffusion?
expansion of heated materials
This symbol means that the product will cause illness or death if you eat or drink it. For some products, just smelling or licking them is enough to cause serious harm.
What is Poisonous?
mass of a material that occupies a certain volume
What is density?
what is model?
Tiny, dense, positively charged centre of the atom
what is nucleus?
negatively charged particles that are found in the space surrounding the nucleus
what are electrons?