Unit 2A - Separation of Mixtures

Which separation method would be best to separate the ingredients of a salad?

• sort

• sieve

• magnet

Answer explanation

This requires you to separate a SOLID from another SOLID. The solids are visually different and big enough to grab, so SORTING is the best method here.

Which separation method would be best to separate legos by color and size?

• sort

• sieve

• magnet

• decant

• filter

Answer explanation

This requires you to separate a SOLID from another SOLID. The solids are visually different and big enough to grab, so SORTING is the best method here.

Which separation method would be best to separate each family member's clothes from the laundry basket?

• sort

• sieve

• magnet

• decant

• filter

Answer explanation

This requires you to separate a SOLID from another SOLID. The solids are visually different and big enough to grab, so SORTING is the best method here.

Which separation method would be best to separate candy collected while trick-or-treating?

• sort

• sieve

• magnet

• decant

• filter

Answer explanation

This requires you to separate a SOLID from another SOLID. The solids are visually different and big enough to grab, so SORTING is the best method here.

Tags

NGSS.MS-ETS1-2

Which separation method would be best to separate the marshmallows from the Lucky Charms?

• sort

• sieve

• magnet

• decant

• filter

Answer explanation

This requires you to separate a SOLID from another SOLID. The solids are visually different and big enough to grab, so SORTING is the best method here.

Which separation method would be best to separate sand from tiny stones?

• sieve

• magnet

• decant

• filter

Answer explanation

This requires you to separate a SOLID from another SOLID. One solid is significantly bigger than the other, so using a SIEVE is the best method here.

Which separation method would be best to separate sediment from chunks of gold?

• sieve

• magnet

• decant

• filter

Answer explanation

This requires you to separate a SOLID from another SOLID. One solid is significantly bigger than the other, so using a SIEVE is the best method here.

Tags

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

Which separation method would be best to separate mud from pearls?

• sieve

• magnet

• decant

• filter

Answer explanation

This requires you to separate a SOLID from another SOLID. One solid is significantly bigger than the other, so using a SIEVE is the best method here.

Which separation method would be best to separate pasta from hot pasta water?

• sort

• sieve

• magnet

• decant

• filter

Answer explanation

This requires you to separate a SOLID from a LIQUID. The solid is very large, so using a SIEVE is the best method here.

Tags

NGSS.MS-ETS1-2

Which separation method would be best to separate water from sand that has settled on the bottom of the container?

• sort

• sieve

• decant

• filter

• centrifuge, then decant

Answer explanation

This requires you to separate a SOLID that has sunk below a liquid. DECANTING is the best method here (because filtering would take much longer to achieve the same result).