matter - Occupies space and has mass , humidity - the present of water vapour _________, temperature - the higher the ________ of the surroundings, water conservation - using water very carefully, kaleidoscope - an optical device consisting of a tube, condensation - the process of water changes to liquid state from gaseous state, desalination - to obtain fresh water, Boiling point - temperature for liquid changes to gaseous, water vapour - water in gaseous state, exposed surface area - the larger or bigger the ___________, gaseous to liquid - Condensation, solid to gaseous - sublimation, melting point - temperature of solid to liquid, steam - water vapour in boiling process, seventy percent - the amount of water in earth, Hidden position - Periscope used to observe things from, Reflected light - we can see the objects because they, Cloud seedling - to make rainfall, adequate rainfall - Cloud seedling is to ensure dry areas to get, silver iodide - a chemical for cloud seedling,

Science

بواسطة
طباعة
تضمين

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

استعادة الحفظ التلقائي: ؟