Before people had electricity, they made lamps, True, False, Lanterns are little containers that protected a flame from wind and rain, True, False, Transparent objects allow light to pass through, True, False, Water is an example of transparent objects, True, False, Opaque objects are materials that block all light from passing through them, True, False, A shadow is a dark area created when an opaque object blocks light, True, False, A shadow is a reflection, True, False, Shadow size changes with the position of the light source, True, False.

Lantern

بواسطة
طباعة
تضمين

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

)
استعادة الحفظ التلقائي: ؟