EVS CHAPTER --PHYSICAL STATES OF MATTER

PHYSICAL STATES OF MATTER

KEY-WORDS

particles	volume	pattern
molecules	container	properties
matter	poured	poured
atom	gaseous	jiggle
rigid	liquid	evaporation

Define the terms

1.Matter: Anything that has weight and occupies space is a matter.

2.Atom: Every matter around us is made up of small particles known as atoms.

3. Molecules: Atoms combine to form molecules.

4. Solid: The state of matter in which a substance has a fixed shape and volume.

5. Liquid: The state of matter which has no fixed shape and the substance flow freely.

6. Gas: The state of matter in which the substance has no fixed shape and volume. Molecules move in all directions.

Question And answers

Q-1 Give three examples of fuel products of each solid, liquid and gaseous state.

Ans: Solid: wood, coal, charcoal

Liquid: petrol, diesel, kerosene

Gas: CNG, bio gas, LPG