Living Creatures: Exploring their Characteristics — Science STD 6 — Question

Which method of separating tea leaves from prepared tea is better. filtration or decantation?

Give examples of two substances through which light does not pass?

In a number of musical instruments, air plays an important role. Can you name some such instruments?

What are the properties of air?

You are given a sample of a solution. How would you check the possibility of it being on iodine solution?

What is stimuli?

Activity.Observe an earthworm moving on soil in a garden. Gently lift it and place it on a piece of blotting or filter paper. Observe its movement. Then place it on a smooth glass plate or any slippery surface. Observe its movement now.
Is it different from that on paper? In which of the above two surfaces do you find that the earthworm is able to move easily?

Evening Star.

State whether the following statements are true or false. If false, correct them.
Cotton yarn on burning gives an odour similar to that of a burning paper.