SIMPLE SCIENCE EXPERIMENTS LIGHT AND SOUND ď Chris Oxlade Consultant John Farndon Enslow PUBLISHING
CONT ENTS 5 Notes for helpers 6 What is light 7 What is sound 8 Using this book 10 Scientist kit Can you see sound Find out on page 25 32 Glossary and Index Which travels faster light or sound Find out on page 27 Learn all about light and sound including how light travels and why we hear sounds Experiment time 12 Hand shadows 14 Ray of light 16 Through a lens 18 Rainbow colors 20 Changing colors 22 Picture flicker book 24 Seeing sound 26 Light races sound 28 Musical box 30 Blow some music What happens when a light ray hits a mirror Find out on page 15
Notes for HELPERS Help and hazards Help needed All of the experiments are suitable for children to conduct but they will need help and supervision with some This is usually because the experiment requires the use of scissors for cutting These experiments are marked with a Help needed symbol Read the instructions together before starting and help to assemble the equipment before supervising the experiment It may be useful to carry out your own risk assessment to avoid any possible hazards before the child begins Check that long hair and any loose clothing are tied back Check that sharp objects such as scissors are put away safely after use Extra experiments Also try You can also help children with the extra experiments in this book or search the Internet for more similar ideas There are hundreds of science experiment websites to choose from www lovemyscience com This website is packed with simple fun experiments for children to enjoy www sciencebob com experiments index php Engaging science experiments with clearly explained instructions will keep kids busy for hours www sciencefun org kidszone experiments You will find lots of entertaining and informative experiments on this colorful interactive website Publisher’s note to educators and parents Our editors have carefully reviewed these websites to ensure that they are suitable for students Many websites change frequently however and we cannot guarantee that a site’s future contents will continue to meet our high standards of quality and educational value Be advised that students should be closely supervised whenever they access the Internet 5
