Food: Where Does it Come From? — Science STD 6 — Question

Explain the following terms: Threshing

What was the name of the shepherd in ancient Greece who discovered the stone that attracts iron?

Which milk products do we use In our food?

Give three examples of natural luminous objects.

What are the two main methods of making cloth?

On what basis do we sort objects?

Why can a pace or a footstep not be used as a standard unit of length?

It was observed that a pencil sharpener gets attracted by both the poles of a magnet although its body is made of plastic. Name a material that might have been used to make some part of it.

What are the necessary ingredients required for preparing boiled rice?

Classify the following fibres as natural or synthetic: Nylon, wool, cotton, silk, polyester, jute.