OS4-3R Grade 4 Light & Sound

$8.50 Author : admin ? Identify natural and artificial light sources (sun, candle, light bulb) ? Behavior of light: ? Travels in a straight line. ? Bends when it passes from one medium to another. ? Reflects off shiny surfaces. ? Objects that emit their own light candles/sun. ? Objects that reflect light (moon). ? Prism separates white light into colours. ? Type of shadow (size and shape when light is placed at different locations to the object). ? Interaction of light with optical devices: 1. Kaleidoscopes. 2. Periscopes. 3. Telescopes. 4. Magnifying glasses. ? Sound travels through a substance. ? Sound in relation to pitch and loudness. ? Sound frequencies. ? Different frequencies – compare what humans can hear compared to hearing in animals like dogs and cats. ? Vibrations cause sound. ? Human ear specially designed to detect vibrations. OS4-3R Grade 4 Light & Sound quantity Add to cart Category: ONTARIO CURRICULUM 2013 Related products OS5-1R Grade 5 BODY SYSTEMS $12.50 Add to cart OS1-2R Grade 1 Materials, Objects & Everyday Structures $8.50 Add to cart OS4-1R Grade 4 Habitats & Communities $8.50 Add to cart OS2-2R Grade 2 Movement Pullies $8.50 Add to...