Introduction to physical change
Introduction to physical change: Overview
This topic explains the different physical changes that occurs around us in the environment. It also explains the different changes that take place in the shape and size of any substance or material during physical change.
Important Questions on Introduction to physical change
Change in state of matter is a _____ change.
There is no change in weight during physical change.
Physical changes are permanent and cannot be reversed.
Sublimation of camphor is a physical or chemical change. Explain.
Evaporation is non-reversible in case of water.
List the objects with less and higher density.
|
Less Density |
Oil | |||||
|
High Density |
Water |
One state of matter cannot be changed into another.
Select the odd one out.
Select the odd one out.
Distinguish between endothermic and exothermic changes by giving suitable examples.
Explain different types of physical changes.
Define freezing. What types of change it is?
What type change is dissolving sugar in water?
Give an example to show that a physical change can be irreversible.
Name the types of change taking place in glowing of an electric bulb.
Freezing of water is a chemical change.
