What does gravity do?, Pulls objects down towards Earth, Pushes objects up into the sky, Makes objects disappear, Which of these objects will gravity pull down?, A balloon in space, A book on Earth, A cloud in the sky, What 2 things must you do to make this a fair test?, Drop objects from the same height and at the same time, Drop objects from different heights and different times, Drop objects only once and guess the results, What can you predict about the pull of gravity on different sized balls?, Gravity pulls all balls down, but air resistance may change how fast they fall, Bigger balls never fall, Smaller balls float because gravity doesn’t pull them, Why does a flat piece of paper fall slowly?, It is heavier, Air resistance pushes against it, Gravity stops working on paper, Which object will fall the fastest on Earth?, A crumpled paper ball, A flat paper sheet, A feather, Why does a crumpled paper ball fall faster than a flat sheet of paper?, It has less air resistance, It has no gravity acting on it, It is scared of falling, What would happen if you dropped a hammer and a feather in space (with no air)?, The feather would float away, They would fall at the same speed, The hammer would fall but the feather would stay still, Why do astronauts appear to float in space?, There is no gravity anywhere, They are too light for gravity to pull, They are in microgravity, where gravity’s pull is much weaker, What will happen if you drop a pencil?, It will float upwards, It will fall down because of gravity, It will stay in the air.

Gravity

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