Activity 1B: Answer the different situation/questions by choosing the letter of the right word in the box. A. decantation B. sieving C. magnetism D. picking 1. Mix nails with stones. How could you quickly separate the nails from the stones? 2. Mix cold water and flour in a jar. Stir very well. After a few minutes, you can see sediments at the bottom of the jar. How could you separate the sediments from the water? 3. After the members of the family ate different kinds of fruits, you gathered the seeds. You mixed them in a basin. Later on, your mother instructed you to separate each kind of seed. How will you separate each kind of seed? 4. Mix sand and water in a basin. After five minutes, try to separate the sand from the water. How will you do this? 5. Your mother instructed you to separate the sawdust from the iron filings. How will you separate ?​