Force and Pressure — Science STD 8 — Question

Fill in the blanks: The synthetic fibres are also known as ______ fibres.

Read the following statements and write the appropriate term against each statement. I transfer characters from parents to offsprings. Who am I?

In which book, different species are classified into different threat categories?

In which zone of a candle flame: Partial combustion of fuel takes place.

How can you show that a sounding tabla is vibrating?

What name is given to the force acting on a unit area of an object?

Indicate whether the following statements are True (T) or False (F). External fertilisation takes place in frog.

In which part of the females, sperms are introduced?

Find out the wrong statements and write them in their correct form. A brick kiln emits lot of smoke and other harmful gases causing air pollution.

What is formed when two gametes involved?