Page 31 - prim 5 booklet 2025 Summary hajar_Neat 3
P. 31

Delta Modern Language Schools
Science department
Grade 5
1st term 2024 -2025

                    Helium
  Physical properties :

   It is a light gas (lighter than air)

  Chemical properties

   Not toxic (Not poisonous).
   Not flammable (doesn’t burn).
   So that, we can use it safely.

  Flammable material: material that burns and form fire.
  ►Uses of helium:
  It is used in filling of:

   1-Balloons
   2 -Blimps

  ►Balloons and blimps that are filled with helium rise up in the air. G.R

   - Because helium is lighter than air.

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