SCIENCE ADVENTURES CRUSHED Explore to survive forces and use science Richard and Louise Spilsbury Smart Apple Media
SNOWBOARDS AT THE READY I'm not so sure snowboarding is a good idea after all says Zac nervously That slope looks steep We'll practice on this flat area first You'll love it once you get going D insists Jess S Easy for you to say grumbles Zac Well I'll just be happy if I can stand up on my board for a bit says Amelie Give me a push off will you Ben Just go you ll be fine Some of us are getting cold here waiting for you complains Ben O No if someone gives me a big push Pll go further insists Amelie
PROVE IT Explore pushing forces You need I three toy cars I measuring tape Line up three toy cars on a flat smooth surface such as a wooden floor or a long table To make it a fair test the cars should all be the same type and size and should start O from the same line WHAT Do YOU THINK Amelie says being pushed hard will make her go further Is she right 2 Give one car no push the second car a slight push and the third car a really hard push Measure how far the three cars go Which car went furthest Why do you think that is WHY IT WORKS Forces are pushes and pulls and can make things speed up and slow down All forces have a direction Pushes move things forward In this activity the cars are at rest until your pushing force acts on them Amelie is right The bigger the force used the more the car will move and the further it will
