Safety
What do we wear during labs to protect our eyes, list one example.
Glasses, Goggles, Face shields other PPE that covers eyes
Does a diverse ecosystem have higher or lower species richness
Higher species richness
Matter can exist as the following:
Solid, Liquid, Gas
True or False: Like charges repel each other?
True
What does WHMIS stand for?
Workplace Hazardous Materials Information System
Simple difference between "Biotic" and "Abiotic"
"Living" vs "Non Living"
What are the two types of pure substances
Elements and compounds
True or False: Lightning would be an example of electric discharge
True
What does HHPS stand for?
Hazardous Household Product Symbols
Give an example of an aquatic ecosystem
A small pond, tidepool, watershed, ocean
Define Physical and Chemical change
Physical Change: A change in which the composition of the substance remains the same
Chemical Change: A change in the starting substance(s) that results in a new substance
List 3 sources of electrical energy
Photoelectric cells (solar power), Cells and batteries, Portable generators, Wall outlets, Power stations
What does the "Skull and Cross Bones" health hazard represent?
Acute Toxicity / Severe Toxicity
What are the earths four spheres
Lithosphere / Geosphere, Atmosphere, Hydrosphere, Biosphere
How can we calculate the atomic mass
The number of protons in an atom, + the number of neutrons in an atom
What is the electric charge of a neutron
Neutrons do not have an electric charge
What is the purpose of WHMIS
WHMIS is a comprehensive system for providing health and safety information on hazardous products intended for use, handling, or storage in Canadian workplaces.
List any three effects of oil spills
toxic, slow to break down, difficult to clean up, animals like seals ingested oil damages their digestive tract, liver, and kidney, sea birds feathers covered with oil lose ability to insulate
How many elements are currently on the periodic table
There are currently 118 elements
What is "grounding"
Excess charge removed by connecting to a large neutral object (i.e. Earth)