separation of subtances

Quiz
•
aarohi chauhan
•
Science
•
6th Grade
•
210 plays
•
Medium
+4
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is Winnowing ?
A method used to separate the components of a mixture which are different sizes.substances.
The practice of separating undesirable solid substances and impurities from useful solids by hand.
A method used to separate lighter components of a mixture from the heavier ones by wind or by blowing air.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
During _________________ the solid particles that settle down forming a layer are called sediments
Decantation
Condensation
Evaporation
sieving
Sedimentation
Tags
NGSS.MS-ESS2-1
NGSS.MS-ESS2-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
the process of converting a liquid form to its vapour form is
Decantation
Condensation
Sedimentation
Evaporation
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are grain seeds removed from their stalks?
Sieving
Winnowing
Threshing
All of the above
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a mixture?
A chemical combination of two or more different substances.
A physical combination of two or more different substances.
A chemically pure substance.
A special type of solution
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When the solute dissolves into a solvent and disappears it is called a _____________.
MIxture
Solution
Solvent
None of the above
Tags
NGSS.MS-PS1-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pure substances are made up of the same kind of atoms.
True
False
Tags
NGSS.MS-PS1-1
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lemonade is a special mixture called a
substance
solution
plasma
ingredient
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A fruit salad is a
solution
mixture
10.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is essential to perform winnowing activity?
Wind
Water
Magnet
Filter paper
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