Separation Techniques

________ separates the solid substances that have noticeable differences in sizes, shapes or colors.

• Sifting

• Handpicking

• Precipitation

• Decantation

_________ separates solids of different sizes.

• Handpicking

• Evaporation

• Sifting

• Decantation

How to separate a mixture of different nuts and beans?

• Sifting

• Handpicking

• Decantation

• Evaporation

Mina poured out the water from a bowl with a mixture of water and rice grains. What technique did she use?

• Handpicking

• Filtration

• Decantation

• Precipitation

Ploy is planning to separate the mixture of flour and iron filings. What must she use?

• Wood

• Magnet

• Metal

• Water

Which of the following mixture will be used for the evaporation separation technique?

• Beans and cereals

• Flour and pepper corns

• Iron filings and sand

• Water and salt

Tags

NGSS.MS-PS1-4

What must Athens use to separate the mixture of flour and peppercorns?

• Filter paper

• Sieve

• Water

• Funnel

Sifting is a technique used to separate solids of different sizes?

Answer: Yes or No

What mixtures we must use if we use the magnet attraction separation technique?

• Iron filings and flour

• Magnet and metal paper clips

• Magnet and pins

• All of the above

Tags

NGSS.MS-PS2-5

What are the mixtures needed if we use a decantation technique?

• Sand and flour

• Tea and tea leaves

• Sand and shells

• Mixture of fruit salad