Quiz about Fall Semester Test

Question 1

A descriptive statement or equation that reliably predicts events under certain conditions.

Accepted Answer

Law

Answer

Scientific Method

Answer

Accuracy

Answer

Precision

Question 2

A series of steps followed to solve problems including collecting data, formulating a hypothesis, testing it, and stating the conclusions.

Accepted Answer

Scientific Method

Answer

Law

Answer

Accuracy

Answer

Precision

Question 3

A description of how close a measurement is to the true value of the quantity measured.

Accepted Answer

Accuracy

Answer

Law

Answer

Scientific Method

Answer

Precision

Question 4

The exactness of a measurement.

Accepted Answer

Precision

Answer

Law

Answer

Scientific Method

Answer

Accuracy

Question 5

The application of science for practical purposes.

Accepted Answer

Technology

Answer

Precision

Answer

Theory

Answer

Variable

Question 6

A system of ideas that explains many related observations and is supported by a large body of evidence acquired through scientific investigation.

Accepted Answer

Theory

Answer

Precision

Answer

Technology

Answer

Variable

Question 7

A factor that changes in an experiment in order to test a hypothesis.

Accepted Answer

Variable

Answer

Precision

Answer

Technology

Answer

Theory

Question 8

The ratio of the mass of a substance to the volume of the substance.

Accepted Answer

Density

Answer

Atom

Answer

Matter

Answer

Mixture

Question 9

The smallest unit of an element that maintains the chemical properties of that element.

Accepted Answer

Atom

Answer

Density

Answer

Matter

Answer

Mixture

Question 10

Anything that has mass and takes up space.

Accepted Answer

Matter

Answer

Density

Answer

Atom

Answer

Mixture

Question 11

A combination of two or more substances that are not chemically combined.

Accepted Answer

Mixture

Answer

Density

Answer

Atom

Answer

Matter

Question 12

A substance that cannot be separated or broken down into simpler substances by chemical mean.

Accepted Answer

Element

Answer

Mixture

Answer

Molecule

Answer

Compound

Question 13

A group of atoms that are held together by chemical forces.

Accepted Answer

Molecule

Answer

Mixture

Answer

Element

Answer

Compound

Question 14

A substance made up of atoms of two or more different elements joined by chemical bonds.

Accepted Answer

Compound

Answer

Mixture

Answer

Element

Answer

Molecule

Question 15

The amount of force exerted per unit area of a surface.

Accepted Answer

Pressure

Answer

Thermal Energy

Answer

Fluid

Answer

Condensation

Question 16

The total kinetic energy of a substance's atoms.

Accepted Answer

Thermal Energy

Answer

Pressure

Answer

Fluid

Answer

Condensation

Question 17

A nonsolid state of matter in which the atoms or molecules are free to move past each other.

Accepted Answer

Fluid

Answer

Pressure

Answer

Thermal Energy

Answer

Condensation

Question 18

The change of state from a gas to a liquid.

Accepted Answer

Condensation

Answer

Pressure

Answer

Thermal Energy

Answer

Fluid

Question 19

The capacity to do work.

Accepted Answer

Energy

Answer

Condensation

Answer

Plasma

Answer

Pascal

Question 20

A state of matter that consist of free-moving ions and electrons.

Accepted Answer

Plasma

Answer

Condensation

Answer

Energy

Answer

Pascal

Question 21

The SI unit of pressure.

Accepted Answer

Pascal

Answer

Condensation

Answer

Energy

Answer

Plasma

Question 22

The movement of matter due to differences in density that are caused by temperature variations.

Accepted Answer

Convection

Answer

Specific Heat

Answer

Radiation

Answer

Thermal Convection

Answer

Convection Current

Question 23

The quantity of heat required to raise a unit mass of homogenous material 1K or 1 degree C in a specified way given constant pressure and volume.

Accepted Answer

Specific Heat

Answer

Convection

Answer

Radiation

Answer

Thermal Convection

Answer

Convection Current

Question 24

The energy that is transferred as electromagnetic waves, such as visible light and infrared waves.

Accepted Answer

Radiation

Answer

Convection

Answer

Specific Heat

Answer

Thermal Convection

Answer

Convection Current

Question 25

The transfer of energy as heat through a material.

Accepted Answer

Thermal Conduction

Answer

Convection

Answer

Specific Heat

Answer

Radiation

Answer

Convection Current

Question 26

Any movements of matter that results from differences in density; may be vertical, circular, or cyclical.

Accepted Answer

Convection Current

Answer

Convection

Answer

Specific Heat

Answer

Radiation

Answer

Thermal Convection

Question 27

A subatomic particle that has a negative charge.

Accepted Answer

Electron

Answer

Isotope

Answer

Mole

Answer

Proton

Answer

Mass Number

Question 28

An atom that has the same number of protons as other atoms, but has a different number of neutrons.

Accepted Answer

Isotope

Answer

Electron

Answer

Mole

Answer

Proton

Answer

Mass Number

Question 29

The SI base unit used to measure the amount of something.

Accepted Answer

Mole

Answer

Electron

Answer

Isotope

Answer

Proton

Answer

Mass Number

Question 30

A subatomic particle that has a positive charge and that is located in the nucleus of an atom.

Accepted Answer

Proton

Answer

Electron

Answer

Isotope

Answer

Mole

Answer

Mass Number

Question 31

The sum of the numbers of protons and neutrons in the nucleus of an atom.

Accepted Answer

Mass Number

Answer

Electron

Answer

Isotope

Answer

Mole

Answer

Proton

Question 32

A subatomic particle that has no charge and that is located in the nucleus of an atom.

Accepted Answer

Neutron

Answer

Atomic Number

Answer

Valence Electron

Answer

Orbital

Question 33

The number of protons in the nucleus of an atom.

Accepted Answer

Atomic Number

Answer

Neutron

Answer

Valence Electron

Answer

Orbital

Question 34

An electron that is found in the outermost shell of an atom.

Accepted Answer

Valence Electron

Answer

Neutron

Answer

Atomic Number

Answer

Orbital

Question 35

A region in an atom where there is a high probability of finding electrons.

Accepted Answer

Orbital

Answer

Neutron

Answer

Atomic Number

Answer

Valence Electron

Question 36

A vertical column of elements in the periodic table.

Accepted Answer

Group

Answer

Semiconductor

Answer

Ion

Answer

Metal

Answer

Period

Question 37

An element or compound that conducts electric current better than an insulator does but not as well as a conductor does.

Accepted Answer

Semiconductor

Answer

Group

Answer

Ion

Answer

Metal

Answer

Period

Question 38

An atom that has gained or lost electrons, and has a positive or negative charge.

Accepted Answer

Ion

Answer

Group

Answer

Semiconductor

Answer

Metal

Answer

Period

Question 39

An element that is shiny an that conducts heat and electricity well.

Accepted Answer

Metal

Answer

Group

Answer

Semiconductor

Answer

Ion

Answer

Period

Question 40

A horizontal row of elements in the periodic table.

Accepted Answer

Period

Answer

Group

Answer

Semiconductor

Answer

Ion

Answer

Metal

Question 41

One of the elements of group 18 of the periodic table.

Accepted Answer

Noble Gases

Answer

Period

Answer

Periodic Law

Question 42

The law that states that the repeating chemical and physical properties of elements change periodically with the atomic numbers of the elements.

Accepted Answer

Periodic Law

Answer

Period

Answer

Noble Gases

Question 43

The attractive force that holds atoms or ions together.

Accepted Answer

Chemical Bond

Answer

Polyatomic Ion

Answer

Polymer

Answer

Ionic Bond

Question 44

An ion made of two or more atoms.

Accepted Answer

Polyatomic Ion

Answer

Chemical Bond

Answer

Polymer

Answer

Ionic Bond

Question 45

A large molecule that is formed by more than five monomer, or small units.

Accepted Answer

Polymer

Answer

Chemical Bond

Answer

Polyatomic Ion

Answer

Ionic Bond

Question 46

The attractive force between oppositely charged ions.

Accepted Answer

Ionic Bond

Answer

Chemical Bond

Answer

Polyatomic Ion

Answer

Polymer

Question 47

A bond formed when atoms share one or more pairs of electrons.

Accepted Answer

Covalent Bond

Answer

Organic Compound

Answer

Metallic Bond

Answer

Chemical Structure

Question 48

A covalently bonded compound that contains carbon.

Accepted Answer

Organic Compound

Answer

Covalent Bond

Answer

Metallic Bond

Answer

Chemical Structure

Question 49

A bond formed by the attraction between positively charged metal ions and the electrons around them.

Accepted Answer

Metallic Bond

Answer

Covalent Bond

Answer

Organic Compound

Answer

Chemical Structure

Question 50

The arrangement of atoms in a substance.

Accepted Answer

Chemical Structure

Answer

Covalent Bond

Answer

Organic Compound

Answer

Metallic Bond

Question 51

Substance that undergoes change in a chemical reaction.

Accepted Answer

Reactants

Answer

Products

Answer

Chemical Energy

Answer

Catalyst

Question 52

New substances formed as a result of a chemical reaction.

Accepted Answer

Products

Answer

Reactants

Answer

Chemical Energy

Answer

Catalyst

Question 53

The energy stored in a chemical bond.

Accepted Answer

Chemical Energy

Answer

Reactants

Answer

Products

Answer

Catalyst

Question 54

Substance that affects the rate of a chemical reaction without being used up in the reaction.

Accepted Answer

Catalyst

Answer

Reactants

Answer

Products

Answer

Chemical Energy

Question 55

Number that appears before a formula in a chemical equation.

Accepted Answer

Coefficients

Answer

Catalyst

Answer

Reaction Rate

Answer

Chemical Equilibrium

Question 56

State in which the forward and reverse paths of a physical or chemical change take place at the same rate.

Accepted Answer

Chemical Equilibrium

Answer

Catalyst

Answer

Reaction Rate

Answer

Coefficients

Question 57

The rate at which reactants change into products over time.

Accepted Answer

Reaction Rate

Answer

Catalyst

Answer

Equilibrium

Answer

Coefficients

Fall Semester Test

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