Mixtures

What item could a magnet separate from a mixture of garbage?

• Old metal fork

• An apple core

• Pieces of paper

• A juice can

What mixture could you use this tool to best separate that mixture?

• Sugar and Salt

• Sand and rocks

• Apples and grapes

The mixture shown here -

• Maintains its physical properties when combined

• Dissolves after being stirred together

• Will evaporate after a certain period of time

• Cannot be separated into ingredients

If you spilled nails in a sandbox, what separation tool/method could you use to clean out the sandbox so it would be safe for children to play in?

• Filter

• Screen

• Magnet

• Evaporation

Tags

NGSS.3-5-ETS1-1

NGSS.3-PS2-4

If I have a mixture of peanuts and nails, which would be the BEST tool to separate them?

• filter

• magnet

• sieve

• by hand

If I have a mixture of wooden blocks and metal blocks. What is a fast way to separate them?

• relative density (put them in water)

• filter

• sieve

How do you separate iron filings from sand?

• You can use a filter.

• You can use a fagnet.

• You can use a magnet.

• You can use all of the methods!

The best way to separate trail mix would be:

• filter

• by hand

• sieve

• evaporation

physical combination of substances that can still be separated easily

• mixture

• solution

• solute

• solvent

a special type of mixture that forms when one substance dissolves in another

• soluble

• solution

• insoluble

• dilute

Tags

NGSS.MS-PS1-2