4. • Matter is made up of many fine and tiny
discrete particles.
• We may determine the state of matter by
their arrangement of particles.
5. Blue in
colour
• A copper sulphate crystal is
dropped to the clear water.
• The clear water soon becomes
blue in colour.
• The particles of blue crystal
separate and mix in between
the spaces of water particles.
6. After three days……
Before
After
Few days later the balloon becomes smaller.
Because air is made up of many fine
Why? particles thus allowed it to diffuse
through the tiny pores of the balloon’s
wall.
