SCIENCE ADVENTURES SHIPWRECKED in Explore floating and sinking and use science to survive Richard and Louise Spilsbury Smart Apple Media
SHIPWRECK What happened splutters Amelie coughing up mouthfuls of salty water and rubbing sand and seaweed off her face That huge wave was too much for our boat replies Jess glancing around at the scattered pieces of wood and the ripped sai Zac are you okay Well if you call being cold wet and stranded on a strange island in the middle of nowhere okay then I suppose I am grumbles Zac What's Ben doing'm looking for my keys replies Ben from the water s edge They're small so they'll float No it s not just big things that sink and small things that float says Amelie Look under the water your keys will have sunk to the bottom WHAT Do YOU THINK Ben thinks all small things float and all big things sink Is he
PROVE IT Test some objects to see which float and which sink You need big bowl O water a key a small stone Fill a big bowl with water His Predict what will happen before you put the key WHY IT WORKS and the stone on the Ben is wrong It's not water Now try it Do they just size that makes float or sink objects float or sink You should find that keys stones and other small but heavy objects sink while apples Predict what will happen balloons and other when you put the apple large but lightweight and the balloon on the objects float How well water Now try it Do they something floats is sink or float called its buoyancy apple o inflated balloon V
