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WorksheetsElements, Compounds, and Mixtures (Coach pp. 22-28)
Total questions: 8
Worksheet time: 4mins
What are the basic building blocks of ordinary matter?
molecules
atoms
compounds
mixtures
Carbon dioxide is a gas made up of carbon and oxygen. Carbon dioxide is
a compound.
an element.
an atom.
a property.
Carbon and oxygen are both
gases.
compounds.
elements.
metals.
Which of the following BEST describes what happens when you stir sugar and water in a glass?
The sugar floats on the water.
The sugar dissolves in the water and seems to disappear.
The sugar disappears and is no longer in the glass.
The sugar and water join and make a different type of matter.
Which method can you use to separate a mixture of oil and water?
flotation
evaporation
filtration
sifting
Which method can you use to separate a solution of salt and water?
flotation
evaporation
filtration
sifting
Which mixture could you best separate with a sifter?
salt and pepper
rocks and woodchips
sugar and iron fillings
sand and rocks
Which mixture can you separate with a magnet?
sugar and water
iron filing and salt
sawdust and woodchips
pepper and rocks
