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21 questions
James wants to seperate the salt from the water in his glass of salt water. What seperation method should James use?
Magnets
Evaporation
Filter
Using his hands
Nicole wants to dissolve a substance in water. Which substance will dissolve the easiest?
Rocks
sugar
pepper
sand
What item could a magnet separate from a mixture of garbage?
Old metal fork
An apple core
Pieces of paper
A juice can
What change occurs when cook pancakes for breakfast?
Physical Change
No change
Chemical Change
What mixture could you use this tool to best separate that mixture?
Sugar and Salt
Sand and rocks
Apples and grapes
Sand and clay are an example of a mixture of solids.
True
False
The air around us is a mixture of gases.
True
False
If you had a mixture of rocks and sand and needed to separate them what method would work best?
You have a glass of salt and water, what is the best method to separate the salt out of the water?
True or False: You can use your hands or tweezers to separate salt from water.
True
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
False
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