Scientists and Hypotheses Flashcards
1
Q
What did Joseph Priestley discover?
A
He discovered that plants produce oxygen.
2
Q
What did Stephen Hales discover?
A
He discovered that water moves through the plant in one direction which contributed to the understanding of transpiration.
3
Q
How did Joseph Priestley discover plant produced oxygen.
A
By placing a plant in a sealed container with a burning candle until it went out. He then relit the candle with focused sunlight concluding that plants restore air.
4
Q
How did Stephen Hales that show water moves through the plant in one direction?
A
He compared the calculated
amount water getting absorbed into the plant with the amount of water
leaving the plant by
transpiration through the
leaves.
