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Rubarts Quiz Practice

Sun’s energy is kinetic energy
Sun’s energy can be absorbed, transmitted, or reflected
What energy do plants use to make their own food? visible light energy
What pigment is found in chloroplasts? chlorophyll.
What color of light do green plants reflect? green
What are the colors in the visible light spectrum? Red, Orange, Yellow, Green, Blue, Indigo, Violet
What acronym do we use to remember the colors of light? ROY G.BIV
What 3 reactants are needed for a plant to make its own food? Energy from the Sun, Water, Carbon dioxide(CO2)
The plant’s food-making process is called photosynthesis.
What does chlorophyll do? Allows the plant to absorb the light energy.
Where does photosynthesis occur? In green leaves
Water and nutrients move from the roots to the leaves through the Xylem
Food (sugar) moves from the leaves to the rest of the plant through the Phloem
Where are xylem and phloem found? In vascular plants, like most trees and flowering plants
Symbol for Carbon Dioxide CO2
What is the structure of the leaf that allows carbon dioxide to enter the leaf and oxygen to leave the leaf? The stoma (stomata)
What do guard cells control? The opening and closing of the stoma.
How do green plants affect the atmosphere? They remove tons of CO2 from the atmosphere in the process of photosynthesis
What do we call the materials needed to cause a chemical reaction? Reactants
What do we call materials created by a chemical reaction? Products
What does the plant use sugar (glucose) for? Glucose is a source of fuel, and starches produced from glucose are used to make cell walls.
What are the products of photosynthesis? Glucose (C6H12O6) and oxygen (O2 )
What does photosynthesis put into the air? tons of oxygen
Mass in an isolated system is neither created nor destroyed by a chemical reaction. Law of Conservation of Mass
The mass of the products must equal the mass of the reactants and the number of atoms on both sides of the arrow must be equal in a balanced equation
Photosynthesis Equation: 6CO2 + 6H2O + Energy from the sun → C6H12O6 + 6O2
How do green plants unlock the energy in glucose? Respiration
This creates energy for growth, reproduction, and other life processes Respiration
When does respiration happen? Both day and night
Respiration Equation C6H12O6 + 6O2 → 6CO2 + 6H2O + Energy
How are photosynthesis and cellular respiration the same? They contain the same compounds - water, carbon dioxide, glucose and oxygen. They both involve energy
How are photosynthesis and cellular respiration different? One is the reverse of the other. The products of one are the reactants of the other. Photosynthesis uses energy (from the Sun), while cellular respiration creates energy (for the plant). Cellular respiration happens day and night.
Plants turn glucose into this starch
Photosynthesis is a process only seen in _________. Plants
Created by: judi829
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