plants vocab Flashcards
photosynthesis
a chemical reaction during which plants convert energy from the sun to chemical energy; the reaction converts carbon dioxide to sugar and oxygen
carbon dioxide
a clear odorless gas which plants use as raw materials in photosynthesis
reactants
a substance that takes part in and undergoes change during an reaction
radiant energy
energy from the sun that reaches earth as visible light , ultraviolet light, and infrared radiation (heat)
chemical energy
energy that is stored within a molecule
chloroplast
organelle in plant cells used to make food. it contains a light-trapping pigment called chlorophyll
chlorophyll
a light-trapping pigment in the chloroplast of plant sells
glucose
a simple sugar made by plants during photosynthesis. plants store long chains of glucose call starch
starch
long chains of glucose stored in plants
products
a substance produced as a result of chemical change
oxygen
a clear colorless gas that is a waste product of plants during photosynthesis
turgor pressure
the pressure, or force of water inside a plant cell against the outside, or cell wall
geotrophism
the response of a plant to gravity
phototropism
the growth of a plant forward or away from light
