First, watch the 2 videos about light and where it comes from on page 1! Both of these videos are very short - only about 3 minutes each! 1) Where does light come from? http://safesha.re/26iu 2) Light Sources https://safesha.re/26iv Then, do the sorts on pages 2 and 3. Be sure to do both pages!! (If your teacher sent home these pages, you can cut and glue on paper, and then take a picture of your paper using the tool.) Last, click on the to turn it in.