Page 8 - ..Science E-book Prim.5 2024-2025 1st term part2_Neat

Physical Helium
properties
• Light gas "Lighter than air"
Chemical • It isn't poisonous.
properties • It isn't flammable.

It can be used safely

Fill balloon Fill blimps

Copper

Physical • It can be stretched into thin,
properties flexible wires.

Uses • It conducts heat and electricity.

• It is used in making electrical wires.
• It is used in making cooking pans.

Conduction: The ability of material Handles of cooking
pans are made of
to transfer heat or electricity. plastic / wood.

First Term 50