Question

fill in the blanks at the given picture​

Answer 1

Answer:

1. solid, liquid and gas

2. molecules

Answer 2

$\sf{\huge{\underline{\green{Answer :-}}}}$

1. ____ , ____ and ___ are the three states of matter.

➝ solid , liquid & gas

2. All matter is made up of small particles called ___________ .

➝ atoms

3. The ______ of molecules is different in different substances.

➝ force of attraction

4. ___________ causes change of solid state into liquid state.

➝ Heat

5. ________ causes an increase in the size of the substance.

➝ Thermal expansion

______________________________________

Additional Information :-

Anything which occupy space & have mass is called as matter.

• Solid -heat-> Liquid -heat-> Gas

• Gas -cool-> Liquid -cool-> Solid

Solids, liquids and gases have the folowing characteristics :-

• A solid has a fixed volume and a definite shape.

• A liquid has a fixed volume but not a definite shape. It takes the shape of the container.

• A gas has neither a fixed volume nor a defnite shape. It assumes the volume and shape of the container.