Unit 6 Photosynthesis 1-18 Flashcards
Define the law of conservation of mass
according to the law of conservation of mass, mass cannot be created nor destroyed. It can only change forms
Describe the experiment used by Joseph Priestly to discover oxygen
He says oxygen is composed of many gases. He put a candle in a sealed jar.
List the primary constituents of air
- 78% nitrogen
- 21% oxygen
- 0.9% oxygen
- 0.03% carbon dioxide
- 0.02% water
What did Jan Igenhousz discover about plants?
Plants release oxygen
Based on the work of Nicolas de Saussure, what are the two primary sources of mass for plants?
- water from soil
- carbon from the air
light (photo) was required to make (synthesis) the plant tissues
photosynthesis
stored energy
potential energy
energy in motion
kinetic energy
we are able to detect with our eyes
visible light
has a shorter wavelength that visible light and is able to penetrate living tissue
ultra violent
has a longer wavelength than visible length
infrared
the primary location of photosynthesis is ________, which contain the organelle _______, each of which is filled with green pigment _______.
leaves, chloroplast, chlorophyll
what organism is believed to be the origin of the chloroplast?
mitochondria
what is the formula for glucose
C2 H12 O6 + 6H2 + 6O2
What was von Helmont testing with his willow tree experiment? What was the result?
He wanted to verify that plants grow from eating soil from their roots.
