To measure how hot something is we need a ____. The scale we use for thermometers was worked out by a Swedish astronomer called ____. Ice is frozen water and when it is melting its temperature is ____ When water is boiling its temperature is ____ Why does the heated ethanol appear to move up the tube? ____.

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

استعادة الحفظ التلقائي: ؟