Sci6 Separating Mixtures-3

What tool can be used to separate plastic beads and metal paper clips?

• filter

• magnet

• strainer

• cloth

John wants to separate salt from water. What separation technique should he use?

• evaporation/condensation

• filtration

• decanting

• magnetism

Grade 4 students are conducting an experiment with saltwater.  A large quantity of sand was added to the container of saltwater.  What do you expect to observe?

• The salt floats to the top of the container

• The sand dissolves.

• The sand settles to the bottom of the container.

• The salt and sand combine to form a solid.

Which procedure cleanses the blood by passing it through a machine?

• decantation

• dialysis

• sedimentation

• purification

Which process separates blood cells and platelets?

• centrifugation

• decantation

• distillation

• evaporation

It is a technique used in separating a less-dense liquid from a denser one.

• Filtration

• Evaporation

• Sedimentation

• Decantation

What do you call the particles that are removed from the water by a filter?

• sieve

• filtrate

• impurities

• residue

It is the water (liquid) that has been run through the filter.

• sieve

• funnel

• filtrate

• residue

Which process uses gravity to separate components of mixture?

• crushing

• flattening

• froth floatation

• panning

Write the process used to separate the following mixtures.

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