WorksheetsVocab Review #5 (Phototsynthesis)
Total questions: 30
Worksheet time: 22mins
The formula for carbon dioxide is:
C2O
CO2O
CO2H
CO2
Places of carbon accumulation
carbon dioxide formula
carbon sink
carbon accumulation
carbon respiration
What describes the process that releases energy by breaking the bonds in a sugar molecule in the presence of oxygen?
decomposition
photosynthesis
cellular respiration
chloroplast
What is a representation of chemical reactions that uses symbols to show the relationship between products and reactants?
chemical equation
chemical formula
chemical cloud
chemical conservation
(a) is a green pigment found in chloroplast that absorbs light energy used to carry out photosynthesis.
A chloroplast best fits which description below?
an organelle found in all organisms that converts stored energy into ATP energy
a chemical reaction in which heat is given off by breaking chemical bonds
a green pigment found in chloroplast that absorbs light energy used to carry out photosynthesis
organelle found in cells of plants and some other organisms that capture sunlight energy and converts it to chemical energy
What is a coefficient?
A number only involved at the beginning of a chemical formula
A number after the chemical formula that indicates the amount of molecules involved in a chemical reaction
A number in front of a chemical formula that indicates the amount of molecules involved in a chemical reaction
A number only at the end of a chemical formula
What is Decomposition?
a chemical reaction that breaks down compounds into simpler products
a chemical reaction that builds compounds into complex products
a chemical reaction where a product creates another product
a chemical reaction where a reactant creates another reactant
What is an electron cloud?
the area in a nucleus that is composed of neutrons and protons
the area around the nucleus of an atom where the atom's electrons are most likely to be found
the area composed only of neutrons in an element
the area around the nucleus of a molecule where the atom's electrons are most likely to be found
Endothermic is when:
A chemical reaction in which heat energy is given off by breaking chemical bonds
A chemical reaction
A chemical reaction in which ultraviolet energy is given off by breaking chemical bonds
A chemical reaction where heat energy is absorbed by forming chemical bonds
Exothermic is when:
a chemical reaction that absorbs energy, usually as heat.
a chemical reaction that occurs without any energy change.
a chemical reaction in which heat energy is given off by breaking chemical bonds
a chemical reaction that only releases light energy.
The formula for glucose is:
C6H12O6
C5H10O5
C6H12O7
C6H10O5
What is the Law of Conservation?
a law that states that matter, mass, or energy cannot be created or destroyed in ordinary chemical and physical changes
A law that states that matter, volume, and energy cannot be created but can be destroyed in ordinary chemical and physical changes
A law that states that energy can be destroyed and created in ordinary chemical and physical changes
What is a mitochondria?
An organelle found in animal cells only that converts chemical energy back into sunlight energy
An organelle found in plant organisms that convert sun energy to stored energy
An organelle found in all organisms that converts stored energy into ATP energy
An organelle found in cells of plants and some other organisms that captures sunlight energy and converts it to chemical energy
What is the Nucleus?
The nucleus is the central part of an atom
The term organic refers to:
containing nitrogen
containing oxygen
containing phosphorus
containing carbon
What is phloem?
living vascular tissue that carries sugar and non-organic substances throughout a plant
living vascular tissue that carries sugar and organic substances throughout a plant
Non-living vascular tissue that carries nitrogen and organic substances throughout a plant
non-living vascular tissue that carries oxygen and substances throughout a plant
The process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy sugars describes:
chloroplast function
law of conservation
cellular respiration
photosynthesis
What is a product?
substance(s) produced by a chemical reaction
substance(s) that takes part in and undergoes change during a reaction
substance(s) produced by chemicals
Substances that decay in a chemical reaction
What is a reactant?
substance(s) that are capable of dissolving other substances
substance(s) that are produced by a chemical reaction
substance(s) that takes part in and undergoes change during a reaction
substances that takes part but does not change in a chemical reaction
What is a solvent?
A liquid concentration that is mostly composed of water
A liquid substance capable of dissolving other substances
A liquid substance mostly composed of salt
A liquid substance mostly composed of an aqueous solution
What is a stomata?
The small openings on plant surfaces that enable liquid exchange.
The small openings on the undersides of most leaves through which oxygen and carbon dioxide can move
A subscript is:
A number only in front of a chemical formula that indicates the amount of molecules involved in a chemical formula
A number written slightly above all chemical symbols that show how any molecule in a compound
A number written slightly below and to the right of a chemical symbol that shows how many atoms of an element are in a compound
A number in front of a chemical formula that indicates the amount of molecules involved in a chemical reaction
What are valence electrons?
The electrons in the outermost shell of an atom involved in forming bonds
the electrons in the middle of a nucleus involved in forming bonds
the electrons in a chemical formula that are involved in forming bonds
The electrons in the innermost shell of an atom involved in forming bonds
The non-living vascular tissue that uses the properties of adhesion and cohesion to carry water and dissolved minerals from the roots of a plant to its leaves
phloem
stomata
xylem
organic
(a) is different then (b) in that it is the vascular tissue that uses adhesion and cohesion to carry water and dissolved minerals form the roots of a plant to its leaves.
An organelle found in all organisms that convert stored energy into ATP energy are (a) while (b) are found in the cells of plants and some other organisms that captures sunlight and converts it to chemical energy.
Organize these options into the right categories
a chemical reaction wher heat energy is absorbed by forming chemical bonds
A chemical reaction where heat energy is given off by breaking chemical bonds
Match the terms with their definitions
Chlorophyll - (a)
Chloroplast - (b)
Mitochondria- (c)
Stomata- (d)
Chlorophyll
Chloroplast
