WorksheetsBiology chapter 2 vocabulary words
Total questions: 39
Worksheet time: 20mins
What is an atom
Basic unit of matter
Basic unit of water
basic unit of measurement
Basic unit of life
What is a nucleus
The center of a donut
The center of an atom, which contains the protons and neutrons; in cells, structure that contains the cell’s genetic material in the form of DNA
An atom
An ion
What is an electron
A neutral charged particle
A particle
A positively charged particle; located in the space surrounding the nucleus
Negatively charged particle; located in the space surrounding the nucleus
What is an element
A car
A substance that is made of matter
Pure substance that consists entirely of one type of atom
pure substance that consists entirely of air
What is an isotope
One of several forms of a single element, which contains the same number of protons but different numbers of neutrons
An element that contains the same number of protons and neutrons
A proton and a neutron combined
A proton and an ion
What is a compound
Substance formed by the chemical combination of two or more elements in definite proportions
Substance formed by the combination of a proton and a neutron
An element
A tree like substance
what is an ionic bond
Chemical bond formed when one or more protons are transferred from one atom to another
Chemical bond formed when one or more electrons are transferred from one atom to another
A chemical bond
When two ions bond together
What is an ion
Atom that has a positive or negative charge
An atom that is the biggest
A bond between human and animal
An animal
What is a covalent bond
Type of bond between cells in which DNA is shared
Type of bond between atoms in which the protons are shared
Type of bond between atoms in which the electrons are shared
A bond between atoms
What is a molecule
Smallest unit of most compounds that displays all the properties of that compound
Basic unit of most compounds
Basic unit of life
A plant’s cell structure
What is the Van der Waals forces
Slight attraction that develops between oppositely charged regions of nearby molecules
Attraction between same charged molecules
Attraction between same charged particles
Oppositely charged regions
What is a hydrogen bond
Weak attraction between a hydrogen atom and another atom
Attraction between an atom and another atom
Attraction between an atom and a cell
A bond between atoms
What is cohesion
Attraction between molecules of the different substance
Attraction between molecules of the same substance
Molecules and atoms
Atoms and cells
What is adhesion
Force of attraction between magnets
Force of attraction between different kinds of elements
Force of attraction between different kinds of molecules
Force of attraction between different kinds of compounds
What is a mixture
Material composed of two or more elements or compounds that are physically mixed together but not chemically combined
Material composed of two or more aqueous solutions or compounds that are chemically combined
When two or more protons, neutrons, ions, and electrons or compounds that are physically mixed together but not chemically combined
When a compound is chemically combined with another compound
What is a solution
type of compound in which all elements are unevenly distributed
Type of mixture in which all compounents are evenly distributed
A compound and a mixture put together
Type of mixture in which all the compounents are partially distributed
What is a solute
Substance that is dissolved in acid
Substance that is dissolved water
The result of a racemic mixture
Substance that is dissolved in a solution
What is a solvent
Dissolving substance in a solution
Dissolving substance in a compound
Dissolving substance in a element
Substance in a proton
What is a suspension
Mixture of water and nondissolved material
Mixture of water and air
A nondissolved solute
A combined material
What is a pH scale
Scale that measures mass
Scale that measures atmospheric pressure
Scale with values from 0 to 14, used to measure the concentration of H+ ions in a solution; a pH of 0 to 7 is acidic, a pH of 7 is neutral, and a pH of 7 to 14 is basic
Scale that measures the weight of food
What is an acid
What you use to get high
Compound that forms hydrogen ions (H+) in solution; a solution with a pH of less than 7
A solution with a pH of more than 7
A compound that forms OH- in a solution
What is a base
Compound that produces hydroxide ions (OH-) in solution; solution with a pH of more than 7
Solution with a pH of less than 7
Compound that produces H+ in a solution
An instrument
What is a buffer
A person to change the subject of a conversation
What your video does when you have slow WiFi
Compound that prevents sharp, sudden changes in pH
Decreases the impact in an accident
What is a monomer
Small chemical unit that makes up a polymer
Small chemical unit that makes up a lipid
Small chemical unit that makes up a protein
Chemical unit that makes up nucleic acid
What is a polymer
Molecule that makes up macromolecules
Molecule composed of many monomers; makes up macromolecules
Makes up carbon
Makes up amino acid
What is a carbohydrate
Compound made up of proteins
Compound made of molecules
Compound made up of carbon, hydrogen, and oxygen atoms; type of nutrient that is the major source of energy for the body
Compound made of nucleotides
What is a monosaccharide
Simple paper molecule
Simple grass molecule
simple salt molecule
Simple sugar molecule
What is a lipid
Macromolecule made mostly from polymer and hydrogen atoms; includes fats, oils, and waxes
Macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes
Macromolecule made of carbohydrates and hydrogen atoms
Macromolecule made mostly of fats
What is a nucleic acid
Macromolecule containing oxygen, nitrogen, and carbon
Macromolecule containing hydrogen, nitrogen, and phosphorus
Macromolecule containing hydrogen, oxygen, and carbon
Macromolecule containing hydrogen, oxygen, nitrogen, carbon, and phosphorus
What is a nucleotide
Subunit of which nucleic acids are composed; made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base
A 5-carbon sugar and a nitrogenous base
A phosphate group, and a hydrogen atom
Made up of a a phosphate and a nitrogenous base
What is a protein
Needed by the body for homeostasis
Macromolecule that contains carbon and nitrogen
Macromolecule that contains carbon, hydrogen and oxygen; needed by the body for growth and repair
Macromolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair
What is an amino acid
element with an amino group on one end and a carboxyl group on the other end
Compound with an amino group on one end and a carboxyl group on the other end
A compound with an amino group
An amino group and a carboxyl group
What is a chemical reaction
Process that combines one set of chemicals with another set of chemicals
Process that changes, or transforms, one set of chemicals into another set of chemicals
A set of chemicals come together
Chemicals that are the same
What is a reactant
element or compound that enter into chemical reaction
Atom that enters into chemical reaction
A thing that reacts in science
A rubber tire
What is a product
Element or chemical produced by an atom
Element or compound produced by a chemical reaction
A material made up of elements
An enzyme
What is activation energy
Energy that is needed to get a reaction started
A catalyst
Is used to speed up a reaction
The energy that is released in the beginning of a chemical reaction
What is a catalyst
Substance that speeds up the rate of a chemical reaction
Substance that slows down the rate of a chemical reaction
Substance that doesn’t effect the rate of the chemical reaction
Helps the chemical reaction stabilize
What is a enzyme
Protein catalyst that speeds up the rate of specific biological reactions
Protein reactant that slows down the rate of specific biological reaction
A protein
An amino acid
What is a substrate
Product of an enzyme-catalyzed reaction
Product of an protein-catalyzed reaction
Substance of an enzyme-catalyzed reaction
Reactant of an enzyme-catalyze reaction
