9th CBSE Science –MOTIONS

MOTION, POSITION, DISTANCE & DISPLACEMENT   What do you mean by a body is at rest? A body is said to be at rest, if it does not change its…

9th CBSE Science – Tissues

TISSUE   Name the branch of biology which deals with the study of tissues. (1 Mark) Histology   What is tissue? (1 Mark) A group of cell performing similar function…

9th CBSE Science – Natural Resources

NATURAL RESOURCES  What are the main resources on the Earth? The main resources on the Earth are the land, the water and the air. Describe the 4 spheres of the…

9th CBSE Science – Why do we fall ill?

WHY DO WE FALL ILL? DISEASES  Health is defined as a state of physical, mental and social well-being. A disease is an unhealthy condition caused by microorganisms, improper diet or it may be…

9th CBSE Science – Matter in our Surroundings

MATTER IN OUR SUROUNDINGS  1. What is matter? Anything which occupies space and has mass is called matter. In other words, anything which has mass and volume is called matter.For example:…