What is the missing word? Whenever something has started moving, stopped, sped up or slowed down it is because a ___ has acted on it. , Force , Person , Forces are... , Ups and downs , Pushes and pulls, A force can... , Only work when something makes contact with an object, Sometimes work without any contact, One example of a force that can act without any contact is ... , Flying, Gravity , Another example of a force that can act without distance is called... , Magnetism , Rolling, What is the name of the force that can slow objects down? , Friction , Pulling, Which surface creates more friction? , Smooth surfaces, Rough/bumpy surfaces , Fill in the gap. Heavier objects need a ____ force to move them. , Larger , Smaller , Magnets... , Are either bar or horseshoe shaped, Come in many different shapes and sizes , Big magnets are ... , Always more powerful than small ones, Not always more powerful than small ones, Which item would be attracted to a magnet? , Elastic band , Paperclip, A magnetic force can ... , Only work through air , Work through air and water , Work through solids as well as air and water , Materials that are attracted to magnets are called , Attractive materials, Magnetic materials , Are all metals magnetic? , Yes, all metals are magnetic. , No, only some metals are magnetic such as iron and steel.  .

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