{"product_id":"spreading-and-fading-lesson-plan-ebook","title":"Spreading and Fading Lesson Plan Ebook","description":"Does light spread out?Does brightness decreases with distance?Do the activities in this lesson plan to help your students answer these questions.Then have them make a Reflectometer to measure light reflecting off a surface.Answer key included.","brand":"On the Mark Press","offers":[{"title":"Default Title","offer_id":42551736008817,"sku":"9781770789692","price":5.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/4195\/5185\/files\/otm212703_7.jpg?v=1761656645","url":"https:\/\/scholarschoice.ca\/products\/spreading-and-fading-lesson-plan-ebook","provider":"Scholar's Choice","version":"1.0","type":"link"}