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Mixtures and separating mixtures
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What is produced when milk spoils?
Odor and gas
What is produced with fireworks?
Sound and light
What is the universal solvent?
Water
TRUE OR FALSE: oil is an aqueous solution
FALSE
TRUE OR FALSE: tea is an aqueous solution
TRUE
Salt is dissolved in water. Which is the solvent?
Water
Salt is dissolved in water. Which is the solute?
Salt
TRUE OR FALSE: Luster is a physical property
True
TRUE OR FALSE: Ductility and mailability are chemical properties
False
TRUE OR FALSE: Flammability is a chemical property
True
Physical or Chemical: photosynthesis
Chemical
Physical or Chemical: digestion
Chemical
Physical or Chemical: rusting
Chemical
Physical or Chemical: formation of bubbles and heat
Chemical
Physical or Chemical: breaking glass
Physical
Physical or Chemical: melting ice cream
Physical
Physical or Chemical: Ripping paper
Physical
Physical or Chemical: water freezing
Physical
Physical or Chemical: dissolving kool aid in water
Physical
Physical or Chemical: Baking cookies
Chemical
Chemical or Physical Property? Reacts with water
Chemical
Is this a chemical or physical property? Reacts with oxygen
chemical
Is this a chemical or physical property?
physical
Is this a chemical or physical property?
physical
Is this a chemical or physical property?
Chemical
Is this a chemical or physical property?
Physical
Is this a chemical or physical property?
Physical
Is this a chemical or physical property?
Physical
Is this a chemical or physical property?
Physical
Is this a chemical or physical property?
Physical
Is this a chemical or physical property?
Physical
Is this a chemical or physical property?
Chemical
Is this a chemical or physical property?
Chemical
The particles of a solvent move in between the particles of a solvent. When all the spaces have been filled, the solutions becomes...
Saturated
The particles of an insoluble substance can fit in between the particles of the solvent.
 
False
 
True
Bigger grains have more particles.
 
True
 
False
How can the substances in a solution be separated?
Through Evaporation
How can a suspension of two liquids be separated?
Through Decanting
How can a suspension of an insoluble solid and a liquid be separated?
Through Filtering
When a soluble substance is mixed with water, they form a...
Solution
When an insoluble substance is mixed with water, they form a...
Suspension
Solids with smaller grains dissolve faster when mixed with a solvent compared to solids with bigger grains.
 
True
 
False
Bigger grains contain more particles.
 
True
 
False
Sand and Flour do not dissolve in water. They are called...
 
Insoluble Substances
 
Soluble Substances
Solutes dissolve faster in...
 
Hot water
 
Cold water
Solutes dissolve faster when stirred.
 
True
 
False
Salt and Sugar dissolves when mix with water. They are called...
 
Soluble Substances
 
Insoluble Substances
If we mix salt and water, we form saltwater. Which is the solvent?
Water
If we mix salt and water, we form saltwater. Which is the solute?
Salt
This is making metals from ore using heat.
 
smelting
 
smothering
This a way of making something new out of of trash.
 
recycling
 
rewriting
These are rocks with metals in them.
 
ores
 
gemstones
What is the black liquid that is used to make plastic?
 
oil
 
ink
Which is an example of a metal?
 
gold
 
diamond
 
glass
This refers to materials that do not dissolve in water.
 
insoluble
 
soluble
This refers to materials that dissolves in water.
 
soluble
 
insoluble
Which state of matter is inside the tank?
gas
Which state of matter is shown?
solid
Which state of matter is shown?
liquid
How to separate sand from stones?
 
sieving
 
filtering
 
by magnet
How to separate sand from water?
 
filtering
 
sieving
 
hand-picking
How to separate pins from buttons?
 
by magnet
 
by hand
What equipment is shown?
magnet
What equipment is shown?
sieve
What equipment is shown?
funnel
True or False: If you combine metal shavings with sand, there is NO way you can separate them.
False
True or False: The best way to separate rocks and sand is to use a sieve to sift the sand, this will allow the sand to fall through and the rocks to stay.
True
True or False: You can use your hands or tweezers to separate salt from water.
False
True or False: A mixture must have at least two different materials.
True
What is the definition of a Mixture?
a combination of two or more materials that can be easily separated by some physical means.
If you had a mixture of rocks and sand and needed to separate them what method would work best?
Sieving
Milk is an example of...
Homogeneous mixture
Homogeneous Mixture is a Synonym of...
Solution
It is a mixture that contains two or more substances uniformly combined
Homogeneous
What type of mixture is this?
Heterogeneous
What is the filtration method used for?
A liquid from a solid
Which method can you use to separate sand and iron filings?
Magnetism
This separation method is called...
Filtration
What is this separation method?
distillation
The pure substances are classified in __________ mixtures
homogeneous
If we dissolve salt in water and heat the water, it becomes a vapour and leaves the salt. This is called
Evaporation
Name the two types of mixtures
Homogeneous and heterogeneous
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