1) What is a force? a) a type of energy b) a push or a pull c) a solid object d) a source of light 2) Gravity pulls objects towards a) the moon b) the sky c) the sun d) the earths centre 3) Which of these is an example of friction? a) a car moving on an icy road b) a ball rolling on grass  c) a boat floating on water d) a magnet pulling a paper clip 4) Air resistance is a force that ... a) speed things up b) pulls things down  c) slow things down in the air d) pushes things to the side 5) Friction always makes things move faster? a) True  b) False 6) The force of gravity is weaker on the moon than it is on the Earth? a) False b) True  7) A magnet can attract all types of metal. a) True b) False 8) A parachute helps a skydiver land safely because of air resistance.  a) True b) False 9) How does water resistance effect a swimmer moving through water?  a) It helps them move faster. b) It slows them down. c) It has no effect d) It pushes them upwards. 10) Which of these is an example of a lever? a) A seesaw b) A bicycle wheel c) a magnet d) a balloon 11) What are three main parts of a lever? a) handle, string and weight  b) wheel, axle and push c) pivot, force and load d) gravity, friction and magnetism

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