EXPERIMENTS WITH WATER
D.C. MODEL SR. SEC. SCHOOL
ASSIGNMENT  (CLASS 5)
ENVIRONMENTAL STUDIES
EXPERIMENT WITH WATER
Q1. CHOOSE THE CORRECT ANSWER TO FILL IN THE BLANKS: ----
Stirring, soap, cake, march, dead sea, sank, dissolve, floating, Dandi, sea water, British, salt, soap case, sink.
- The____ sinks in water while the ___ floats.
 - On ____ sugar gets quickly dissolve in water.
 - Ayesha saw that at the puri ____ to the bottom of the pan; as puffed up, it started ___ on the oil.
 - When Ayesha put salt in the boiling water; eggs started ____.
 - Oil does not _____ in water.
 - Gandhi undertook a____ from Ahmedabad to ____ in Gujarat.
 - The ____ can be used to a make salt.
 - The ____ make a law that people could not make ____ even for use at home.
 - A Steel plate can ____ in water.
 - ____ has the saltiest water of all the seas.
 
Q2. WRITE ‘TRUE’ FOR THE CORRECT STATEMENT AND ‘FALSE’ FOR THE WRONG STATEMENT: ---
- Oil can easily be mixed with water. [ ]
 - A wooden boat will sink in water. [ ]
 - Salt dissolves in water very quickly. [ ]
 - Lemon can float in the salty water. [ ]
 - Salt can be made from sea water. [ ]
 
Q3. ANSWER THE FOLLOWING VERY BRIEFLY: -----
- Which is the saltiest sea of the world?
 
ANS:-_____________________________________________________
- Can you see salt dissolved in water?
 
ANS:-_____________________________________________________
- Does oil dissolve in water? Why?
 
ANS:-_____________________________________________________
- Which two factors help sugar dissolve in water?
 
ANS:-_____________________________________________________
- How would you separate chalk powder from water?
 
ANS:-_____________________________________________________
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