What makes plants grow? How do plants get energy ? Where do plants get their mass? Well Jan Baptist Van Helmont, Joseph Priestley, and Jan Ingenhousz are great scientist who did experiments about photosynthesis to have a better understanding about it. As you read this you will learn how each one came about there experiment and how they learned from it.
Jan Baptist Van Helmont experiment was the willow tree. He wanted to see if plants obtained their mass for the soil. He measured the tree and the dry soil. He measured the growth of plant for five years and only used rainfall water. After five years he weighed the plant and it had increased in mass by over 12 stone [BBC1]. He then learned that plants do need soil but the plants don't feed off of it. We don't know if something could have changed though. The amount of sunlight could have changed the experiment. …show more content…
He placed a mint plant in a jar with a burning candle under it to see if the plant does need oxygen. The mint did not die and had produced the substance required for the burning. He then learned plants do not need oxygen like we do. One of the flaws in the experiment could have been the size of the plant. The mouse and plant experiment he placed a mouse and and burning candle in a jar and the mouse died. He put a plant in the jar with it too and the mouse did not die. There for plants produce oxygen
Jan Baptist Van Helmont experiment was the willow tree. He wanted to see if plants obtained their mass for the soil. He measured the tree and the dry soil. He measured the growth of plant for five years and only used rainfall water. After five years he weighed the plant and it had increased in mass by over 12 stone [BBC1]. He then learned that plants do need soil but the plants don't feed off of it. We don't know if something could have changed though. The amount of sunlight could have changed the experiment. …show more content…
He placed a mint plant in a jar with a burning candle under it to see if the plant does need oxygen. The mint did not die and had produced the substance required for the burning. He then learned plants do not need oxygen like we do. One of the flaws in the experiment could have been the size of the plant. The mouse and plant experiment he placed a mouse and and burning candle in a jar and the mouse died. He put a plant in the jar with it too and the mouse did not die. There for plants produce oxygen