Revision on shadows

من طرف srimathi الخميس أبريل 02, 2020 8:34 am

04.02.2020
08:32:12
Science/ grade 5- Today’s topic for revision-How scientists measured and understood light- learner’s book- pages 78 and 79.
Main points-
Scientists have ideas to explain things.
Newton used a prism to demonstrate that white light is a mix of colors.
In a rainbow, every raindrop acts as a prism.
Homework - Activity book-page 47-The Sun ,the Earth and the Moon