Give the value of one light year.

What do you understand by chemical formula of a compound? What is its significance?

Name the sub-atomic particles.

Define – pollination.

How to keep your hair clean and healthy?

What is Raster Graphics?

Jyothi was prepared to measure the temperature of hot water with a clinical thermometer. Is it right or wrong? Why?

Name the device used to generate electricity.

Cold milk is heated and it becomes hot. Which type of change it is?

What are the main things in a nucleus?

Define – dichotomous key

What is the use of Text Tool ?

What are luminous objects?

--------------- and ------------ planets never appear in the mid-night sky.

What gives plastic different qualities and characteristics?