Which steel nail will rust the first?

1. RUSTING EXPERIMENT

2. Which steel nail will rust the first?
Question 1 and 2

3. Hypothesis (Choose one of each)
•Nail submerged in water.
•Nail in the glass without water.
•Nail submerged in salty water.

4. MATERIALS
•Three plastic glasses.
•Water.
•Salt

5. PROCEDURE
•1.- Set up the glasses.
•2.- Put water on two of them.
•3.- Dissolve salt in one of them.
•4.- Put one nail each.

6. OBSERVATION
• Wait several days to see results.

7. CONCLUSION
•Nail in salty water rusts first.
•Nail in spring water rusts the
second.
•Nail in an empty glass doesn’t rust.