Methods of Separation in Everyday Life — Science STD 6 — Question

What do you mean by term excretion?

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

State whether the following statements are true or false. If false, correct them.
Plants produce oxygen during the process of making their own food.

What happens when:
Tea leaves, cotton swabs and old soft toys are thrown into the drain

While making dosa, we sprinkle some water on the hot pan. Soon it disappears. Where does it go?

Is it possible for you to recognise the leaves without seeing them? How?

A rope is tied around a box. The shape of rope changes. What kind of change is this?

Why does a cell stop producing electricity after some time?

Who collect the garbage from the bins to the landfill?

Name two plants that belong to herbs.