Mixtures and Solutions

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

To separate a mixture of salt and water what separation tool/method is used?

• Filter

• Sieve

• Magnet

• Evaporation

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.3-5-ETS1-2

NGSS.3-PS2-4

The best way to separate trail mix would be:

• filter

• by hand

• sieve

• evaporation

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

A combination of two or more substances where each keep their own properties

• Mixture
• Solution
• Substance
• Solute

A mixture of one substance dissolved evenly in another

• Substance
• Mixture
• Sieve
• Solution

Which answer best shows a mixture that is not a solution?

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Which answer best describes the easiest way to separate a mixture of iron filings and dirt?

• Pick the iron filings out by hand

• Put the mixture in water

• Use a magnet

• Boil the mixture

Which is the appropriate tool to use when recording the steps in separating a mixture?

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