Question

5. The Column B - Match the columns. Column A 1. Hydrogen filled balloon 2. Iron (a) Hydrometer (b) Floats in water (c) Sinks in water (d) Floats in air (e) Air bladders 3. Relative density 4. Whales 5. Ice cube​

Answer 1

Answer:

1. Hydrometer filled ballon - Air bladders

2. Iron - Hydrometer

3. Relative density - Floats in air

4. Whales - Float in water

5. Ice cube - Skin in water