
What is flotation? Explain with examples.

Important Questions on Sorting Materials into Groups

What property of materials is the picture showing? Why is giraffe clearly visible in the right section, partly visible in the middle section, and not visible in the left section?

Reshma collected two different plant fertilizers from a nursery. She was told to mix each fertilizer with water and sprinkle the solution on her plants. Diagrams A and B tell you what happened when she mixed each fertilizer in the water. Which fertilizer should Reshma use and why?

Solve the crossword given below.
Across
3. A material which allows light to pass through it
4. The property of objects to sink or float
5. The property that allows a material to either dissolve or not
8. The property that helps you to distinguish a stone from wool
Down
1. A material through which you cannot see objects on the other side
2. The ability or inability of materials to conduct electricity
6. Shine of materials
7. A liquid which dissolves in another liquid




a) Orange juice
b) Oil
c) Milk
d) Lassi
e) Melted ghee
Then he stirred the solution. Which of the given liquids would be miscible with water?
