https://padlet.com/eyilmaz/5h0qqbu6xk36 type the information that u=you have collected for the experiment. en-us 2018-09-12 06:15:52 UTC 2018-09-12 11:28:05 UTC hello@padlet.com https://padlet.com/eyilmaz/5h0qqbu6xk36/wish/280210303 Willow Tree experiment is Van Helmont's experiment on growth of plants. He prepares a pot with soil and measured it to see where do trees get mass from. Then, he grew the tree for 5 years and takes out. He measured tree's and soil's weight. However, the tree became 72 kg and soil only lose 60g. To conclude, this experiment shows that the trees get mass from the carbon dioxide.]]> 2018-09-12 06:48:23 UTC https://padlet.com/eyilmaz/5h0qqbu6xk36/wish/280210303