Components of Food — Science STD 6 — Question

With the help of a lens look at the pieces of paper you collected for the above question. Do you see any difference in the material of recycled paper and a new sheet of paper?

Which food should not be given to redworms involved in preparation of vermicompost manure?

List two animals that don’t have legs and bones.

What are threads made up of?

How many bones are there in our backbone?

What is the elevated bone near the shoulder called?

Foods containing which nutrients are called ‘energy giving foods’?

Why has life sustained on earth for thousands of years?

Explain the following terms: Handpicking

What happens when an opaque object is placed in the path of light?