Task:
Material Required:
2 LONG IRON NAILS, WATER, PLATE, BOX, GREECE/OIL.
Procedure:
1. PUT ONE IRON NAIL IN A PLATE IN OPEN.
2. PUT ANOTHER IRON NAIL ALSO IN OPEN BUT COATED WITH OIL.
3. KEEP THEM FOR 1 WEEK LIKE THIS.
4. RECORD YOUR OBSERVATION FOR BOTH THE IRON NAILS AND IDENTIFY THE CHANGE.
Guiding Questions:
1. WHAT IS RUSTING OF IRON? AND IN WHAT CONDITIONS RUSTING OCCUR? (100 WORDS)
2. WHAT ARE THE DIFFERENCES BETWEEN THE TWO IRON NAILS ON THE BASIS OF THEIR PHYSICAL APPEARANCE? IS THERE ANY CHEMICAL CHANGE INVOLVED? IF YES, PLEASE SPECIFY. (100 WORDS)
3. HOW CAN WE PREVENT RUSTING FROM HAPPENING IN OUR USABLE IRON ITEMS? (100 WORDS)
4. ARE THERE ANY METHODS WHICH HELP TO REMOVE RUST? SEARCH AND WRITE A BRIEF REPORT ON SUCH METHODS/MATERIALS. (200 WORDS)
5. HOW DOES RUSTING OF IRON COSTS OUR COUNTRY IN MILLIONS OF RUPEES EVERY YEAR? FIND OUT. ALSO MENTION THE WAYS BY WHICH WE CAN PREVENT THIS TREMENDOUS LOSS OF MONEY? (200 WORDS)
6. LOOK OUT FOR THE OBJECTS IN HOME WHICH HAVE UNDERGONE RUSTING ALREADY AND OTHER OBJECTS WHICH ARE PRONE TO RUSTING BUT HAVEN’T UNDERGONE RUSTING YET. MENTION ANY 5 OBJECTS. CAN YOU THINK OF THE REASONS WHY ALUMINUM AND STAINLESS-STEEL OBJECTS DON’T UNDERGO RUSTING? (300 WORDS)
Task:
Material Required:
2 LONG IRON NAILS, WATER, PLATE, BOX, GREECE/OIL.
Procedure:
1. PUT ONE IRON NAIL IN A PLATE IN OPEN.
2. PUT ANOTHER IRON NAIL ALSO IN OPEN BUT COATED WITH OIL.
3. KEEP THEM FOR 1 WEEK LIKE THIS.
4. RECORD YOUR OBSERVATION FOR BOTH THE IRON NAILS AND IDENTIFY THE CHANGE.
Guiding Questions:
1. WHAT IS RUSTING OF IRON? AND IN WHAT CONDITIONS RUSTING OCCUR? (100 WORDS)
2. WHAT ARE THE DIFFERENCES BETWEEN THE TWO IRON NAILS ON THE BASIS OF THEIR PHYSICAL APPEARANCE? IS THERE ANY CHEMICAL CHANGE INVOLVED? IF YES, PLEASE SPECIFY. (100 WORDS)
3. HOW CAN WE PREVENT RUSTING FROM HAPPENING IN OUR USABLE IRON ITEMS? (100 WORDS)
4. ARE THERE ANY METHODS WHICH HELP TO REMOVE RUST? SEARCH AND WRITE A BRIEF REPORT ON SUCH METHODS/MATERIALS. (200 WORDS)
5. HOW DOES RUSTING OF IRON COSTS OUR COUNTRY IN MILLIONS OF RUPEES EVERY YEAR? FIND OUT. ALSO MENTION THE WAYS BY WHICH WE CAN PREVENT THIS TREMENDOUS LOSS OF MONEY? (200 WORDS)
6. LOOK OUT FOR THE OBJECTS IN HOME WHICH HAVE UNDERGONE RUSTING ALREADY AND OTHER OBJECTS WHICH ARE PRONE TO RUSTING BUT HAVEN’T UNDERGONE RUSTING YET. MENTION ANY 5 OBJECTS. CAN YOU THINK OF THE REASONS WHY ALUMINUM AND STAINLESS-STEEL OBJECTS DON’T UNDERGO RUSTING? (300 WORDS)
Task:
Material Required:
2 LONG IRON NAILS, WATER, PLATE, BOX, GREECE/OIL.
Procedure:
1. PUT ONE IRON NAIL IN A PLATE IN OPEN.
2. PUT ANOTHER IRON NAIL ALSO IN OPEN BUT COATED WITH OIL.
3. KEEP THEM FOR 1 WEEK LIKE THIS.
4. RECORD YOUR OBSERVATION FOR BOTH THE IRON NAILS AND IDENTIFY THE CHANGE.
Guiding Questions:
1. WHAT IS RUSTING OF IRON? AND IN WHAT CONDITIONS RUSTING OCCUR? (100 WORDS)
2. WHAT ARE THE DIFFERENCES BETWEEN THE TWO IRON NAILS ON THE BASIS OF THEIR PHYSICAL APPEARANCE? IS THERE ANY CHEMICAL CHANGE INVOLVED? IF YES, PLEASE SPECIFY. (100 WORDS)
3. HOW CAN WE PREVENT RUSTING FROM HAPPENING IN OUR USABLE IRON ITEMS? (100 WORDS)
4. ARE THERE ANY METHODS WHICH HELP TO REMOVE RUST? SEARCH AND WRITE A BRIEF REPORT ON SUCH METHODS/MATERIALS. (200 WORDS)
5. HOW DOES RUSTING OF IRON COSTS OUR COUNTRY IN MILLIONS OF RUPEES EVERY YEAR? FIND OUT. ALSO MENTION THE WAYS BY WHICH WE CAN PREVENT THIS TREMENDOUS LOSS OF MONEY? (200 WORDS)
6. LOOK OUT FOR THE OBJECTS IN HOME WHICH HAVE UNDERGONE RUSTING ALREADY AND OTHER OBJECTS WHICH ARE PRONE TO RUSTING BUT HAVEN’T UNDERGONE RUSTING YET. MENTION ANY 5 OBJECTS. CAN YOU THINK OF THE REASONS WHY ALUMINUM AND STAINLESS-STEEL OBJECTS DON’T UNDERGO RUSTING? (300 WORDS)
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