Page 5 - Science E-book Prim.5 2024-2025 1st term (1)_Neat
P. 5
Light and sound Experiment 5 We can’t
aren’t matters see by
eyes
but forms of
energy.
? Any matter is made of millions of tiny particles
? Even small matters as germs or air are also made of tiny particles.
? These particles are in a continuous motion.
P.O.C Solid Liquid Gas
Particles
Space between Narrow (very close) More spaces A lot of spaces
particles Packed tightly
Arrangement Held more loosely aren’t held
of particles Regular pattern
Particle’s Organized Random arrangemenRtandom arrangement
motion
Limited “Vibrated” Not well organized Not organized at
Energy Move a little bit.
Shape Can’t slide over all
each other.
Volume Less energy Intermediate Completely free
Definite (fixed)
Has its own shape Move freely, faster Move very freely
Definite Can slide over & quickly
each other Can spread
More energy A lot of energy
Indefinite Indefinite
Take the shape Fill & take the
of the container shape of the container
Definite Indefinite
The tiny particles are the building units of matter.
Different types of matter are made of different kinds of particles.
Particles of gold differ from particles of aluminum.
Particles of vinegar are different from particles of water.
First Term 41
