Science 8 Unit 3 Flashcards
(14 cards)
What is a pure substance
Made up of only one type of mattwr
If you sq exes gas into a smaller container and what would happen to its density
The density of the gas would increase as the particles got closer to the
What is the best fluid to use in a hydronic press
Oil
In a saltwater solution what is the solute
Salt
What is an example of a solid solution
Brass
What process could be used to seperate salt from a saltwater solution
Evaporation
Whow does surface area affect the rate of dissolving
Larger surface area speeds up the rate of
What happens to a gas dissolved in a liquid when the liquid is stirred
More gas dissolves
What does WHMIS stand for
Workplace hazards material information system
What does a triangle stand for in hazard signs as well as the dominos and hexagon
Caution-triangle
Warning-diamond
Danger-hexigon
Why are fluids so useful
Make it easier to transfer process and use different kinds of materials, even if the materials are solids
What is a slurry and what is it used for
Mixture of water and solids, transport of solids in water
What is a suspension
A suspension is a cloudy mixture in which droplets or tiny pieces of another substance of you leave it out it will seperate
What is a colloid
A cloudy mixture but the drop lets or tiny peices are so small that they do not seperate out easily