Worksheet: Matter

Q1: Multiple Choice Questions (MCQs)

(i) What is mass?
(a) The space occupied by an object
(b) The amount of matter in an object
(c) The color of an object
(d) The temperature of an object

(ii) Which of the following is an element?
(a) Water
(b) Oxygen
(c) Salt
(d) Sugar

(iii) In which state of matter are molecules tightly packed?
(a) Liquid
(b) Gas
(c) Solid
(d) None of the above

(iv) What happens to a gas when it is cooled?
(a) It turns into a liquid
(b) It expands
(c) It solidifies
(d) It disappears

(v) What is a physical change?
(a) Forms new substances
(b) Is mostly irreversible
(c) A temporary change without creating a new substance
(d) Involves a change in color

Q2: Fill in the Blanks

(i) Molecules of any substance are made of _________________.
(ii) A substance whose molecules are made of only one kind of atom is called an _________________.
(iii) In a solid, the force of attraction between the molecules is _________________.
(iv) The states of matter can be changed by heating and _________________.
(v) A chemical change forms one or more _________________ substances.

Q3: True/False

(i) Only things we can see are made up of matter.
(ii) Every element has a symbol.
(iii) In a solid, the molecules are arranged far away from each other.
(iv) In a gas, the force of attraction between molecules is very weak.
(v) A physical change forms new substances.

You can access the solutions to this worksheet here.