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1
What are some science safety rules
  • No eating at the work benches
  • Don't run around
  • Follow all teachers instructions
  • Wear eye protection
  • Tie hair up
2
What is the meaning of Insoluble
Something that does not dissolve
3
What is the meaning of Soluble
Something that can dissolve
4
What is a Solvent
A substance that dissolves a solute
5
What is a Solute
A substance that is dissolved by a solvent
6
What is a Solution
A mixture made up of a solvent and a dissolved solute
7
What is a Mixture
Substances mixed together that can be physically seperated
8
What is Aqueous
Containing water
9
Difference between solutuon and a solvent
A solution is made up of a solvent and a solute while a solvent dissolves a solute
10
A solution is a ______ dissolved in a _____
solute and solvent
11
What is the difference between a concentrated solution and a dilute solution
A concentrated solution has a lot of solute, while a dilute solution has a very small amount of solute
12
What is a colloid
13
What is Decanting
Decanting is carefully pouring the liquid from a mixture and leaving the sediment behind
14
What is a Mixture
Substances mixed together that can be physically seperated
15
What is a Sediment
The solid that settles to the bottom of a liquid
16
What is a Residue
The solid that does not pass through a filter
17
What is a Filtrate
The liquid that passes through a filter
18
What are some examples of a mixture
  • Concrete
  • Sea Water
19
How is sand and insoluble substance
It is denser than water, after a while it sinks in the water
20
Meaning of Suspension
A liquid or other substance in which solid particles are mixed but not dissolved
21
What is Decanting
Decanting means pouring off a liquid to leave a Sediment of insoluble substance behind in the corner
22
What is Sedimentation
The process of letting an insoluble substance settle to the bottom of a container is called sedimention
23
What is a Centrifuge
A machine with fast spinning container to seperate solids from liquids or fluids of different densities
24
How does centrifuging work in a Washing machine
It spins quickly and the water flies out through the holes in the sides. The side of the spin-dryer is like a sieve, and the clothes stay in the bowl
25
What is a diagram
A diagram is a simple line drawing looking from the side but a drawing has more details
26
How should a diagram be drawn
Every diagramshould be neatly drawn in pencil, and the lines drawn with a ruler. Labels should be neatly printed, and connected to the diagram with an arrow. The arrow head should touch the object it is pointing to. Diagrams should be between 6 and 10 cm or half a page
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