Vocabulary Chapter 8

8.1
1.chloroplast: the organelle in which photosynthesis takes place
2.chlorophyll: a organelle that gives the chloroplast a green color
3.stroma: the thick fluid inside the inner membrane
4.thylakoid: disk-shaped sacs in the stroma
5.light reactions: the first step in photosynthesis where sunlight is converted into chemical energy
6.Calvin Cycle: the second step in photosynthesis where sugar is made from the CO2 and hydrogen ions and electrons of NADPH

8.2
1.wavelength: the distance between two adjacent waves
2.electromagnetic spectrum: the range of types of electromagnetic energy from gamma rays to radio waves
3.pigment: the chemical compoud that gives color in an object
4.paper chromatography: a technique that uses paper to identify the different pigments
5.photosystems: a cluster made up of around a hundred pigment molecules located in thylakoid membranes and chlorophylls

8.3
no vocabulary

8.4
1.carbon cycle: the cycle in which carbon moves from inorganic to organic compounds and back again
2.greenhouse effect: when some of the heat from the sun is trapped by the Earth's atmosphere