How can we find out witch pebble stone or rock is the hardest one By Alex,asHton aNd owain

Things that we will need

.safety gogols, rocks and rulers

First get your equipment

Next stand 3 meeters awai from wair your goring to throw the rock

Then throw the rock to the grownd with considderable force

After that chec to see wich rock has the bigust crack in it

Finally make sure that a adult is waching you so you dont get hert

Thank you for reading


Created with images by Skitterphoto - "pebbles row colors" • Hans - "steinmann cairn stones" • undulatus - "stones pebbles about" • Wokandapix - "stacking stones balance relax" • Hans - "pebbles stones colorful roundish" • PgmJanssen - "brand flame stone" • FrankWinkler - "coast beach rock" • Survivor - "maple leaf maple nature"

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