1) Light is a form of _________________. 2) _____________ light is light that is made by humans. 3) _____________ light is light that is made by nature. 4) A form of energy is food, heat, sound and _______________. 5) A form of energy is food, heat, ____________ and light. 6) A form of energy is food, ____________ , sound and light. 7) A form of energy is ______________, heat, sound and light. 8) When light bounces off a smooth object. 9) When light slows down and bends. 10) How does light travel? 11) Colourless light made up of all the coloured light in the rainbow. 12) Material that allow light to pass through clearly. 13) Material that allow some light to pass through 14) Material that does not allow any light to pass through at all 15) ______ are created by an opaque object blocking light. 16) The answer we get from an experiment. 17) When we use sight to study and get information. 18) A scientific guess

Light Unit

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？