Components of Food — Science STD 6 — Question

What is slithering?

By which process salt, sand and water can be separated?

Activity.Collect small pieces of different materials— paper, cardboard, wood, copper wire, aluminium sheet, chalk. Do any of these appear shiny?
Now, observe as the teacher cuts each material into two pieces and look at the freshly cut surface. What do you notice? Does the freshly cut surface of some of these materials appear shiny?

If a bar magnet is cut length wise into two parts, how many number of poles will form?

Why are jute plants cut at flowering stage and not on complete maturation?

Circulation of water between ocean and land is a continuous process or discontinuous process?

What changes occur in a match stick used for lightening? What type of change is it?

Fill in the blanks with appropriate words:
Shadow is _____.