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WorksheetsSeparation Techniques
Total questions: 38
Worksheet time: 20mins
Which tools are best for separating a mixtures of sand, iron filings, and water?
Hot plate and filter
Tweezers and filter
Filter and magnet
Magnet and hot plate
Which substances, when mixed together, maintain their original physical properties?
gravel and water
wood chips, water and sand
sand and water
all of the above
When separating saltwater using a hot plate, what precaution should students use?
unplug the hot plate if water splashes on the cord
follow the teacher's instructions and wear safety goggles
leave the hot plate plugged in after the investigation is complete
follow the teacher's instructions to record results in a notebook
Which mixture can be separated using a filter?
sand and iron filings
saltwater
sand and water
none of the above
A cup of orange juice with pulp is poured into a glass. Which of these procedures could be done to separate the juice from the pulp?
pour the juice through a coffee filter
heat the juice in a pot until boiling
pour the juice in another cup
allow the mixture to settle, leaving the pulp at the bottom of the glass
Which of the following mixtures can be separated with a magnet?
sand and salt
sand and iron filings
sugar and water
saltwater
All of these can be separated easily EXCEPT -
nuts, bolts, and screws
powdered drink mix, sugar and water
sand and water
iron filings and sand
A mixture of iron filings and chalk dust is placed on a plate. Which of the following could be done to gather the iron filings?
Pour the mixture into a funnel
Put the mixture in a pot on the stove
Run a magnet over the mixture
Filter the mixture through a strainer
When salt dissolves in water, it forms a solution.
True
False
when a substance breaks down and mixes evenly with another substance...
dissolve
sink
evaporate
Sand dissolves in water?
True
False
When one substance dissolves evenly in another its known as a...
solution
mixture
Which tools are best for separating a mixture of sand, iron filings, and water?
Hot plate and filter
Tweezers and filter
Filter and magnet
This method separates dissolved substances based on differences in how well they dissolve in a solvent.
Filtration
Evaporation
Distillation
Chromatography
This method requires the use of a condenser.
Filtration
Evaporation
Distillation
Chromatography
Filtration can be used to separate the atoms in a compound.
TRUE
FALSE
This method separates substances due to differences in the sizes of their particles.
Filtration
Evaporation
Distillation
Chromatography
If a substance is insoluble in water, it ___________.
dissolves in water
cannot dissolve in water
forms a solution when mixed with water
cannot be separated from water
Which method(s) separate substances based on them having different boiling points? (Select all that apply).
Filtration
Evaporation
Distillation
Chromatography
Which method is this a picture of?
Filtration
Evaporation
Distillation
Chromatography
Which method has a solid and a gas as the final products?
Filtration
Evaporation
Distillation
Chromatography
Filtration can be used to separate salt from water.
True
False
Filtration can be used to separate salt from water.
True
False
Which of the following is not a method for separating the substances in a mixture?
Filtration
Evaporation
Civilization
Distillation
During filtration, which substance cannot pass through the filter paper?
the solid
the liquid
A mixture of sand and water is a ____________ mixture.
heterogeneous
homogeneous
What is this?
Element
Compound
Homogeneous Mixture
Heterogeneous Mixture
Which of these is a mixture?
Laundry Detergent
Salt (NaCl)
Oxygen (O)
Fluorine (Fl)
Air is:
An element
A compound
A mixture
None of these
Fruit Loops, pizza, and Skittles are examples of ____________________ mixtures.
heterogeneous
homogeneous
pure
What are two the two types of mixtures?
elements
compounds
heterogenous
homogenous
Which mixture can easily be separated by Hand/Tweezers
Which substances, when mixed together, maintain their original physical properties?
gravel and water
wood chips, water and sand
sand and water
all of the above
Which of the following is a homogeneous mixture?
Saltwater
Sand and water
Oil and water
Iron filings and sand
Which of the following is a homogeneous mixture?
Sand and water
Saltwater
Oil and water
Iron filings and sand
Which method is best for separating a mixture of salt and water?
Filtration
Evaporation
Magnetism
Decantation
