a notation used by scientists to show the number and type of atoms present in a compound and/or molecule (Lesson 09)

a notation of one or two letters representing a chemical element (Lesson 09)

the answer to the question being asked (Lesson 01)

number that precedes a chemical formula that denotes how many molecules or formula units are present (Lesson 10)

substance composed of atoms of two or more elements chemically compound (Lesson 09)

the transfer of thermal energy from one substance to another through direct contact (Lesson 13)

the transfer of heat through currents caused by the warming and cooling of liquids and gases (Lesson 13)

The amount of solute dissolved in a certain amount of solvent. (Lesson 03)

allow thermal energy to transfer easily (Lesson 12 and 13)

the variable being tested and measured in an experiment and is 'dependent' on the independent variable. (Lesson 01)

The process of making a solution weaker by adding more solvent without changing the amount of solute. (Lesson 03)

The process of a solute breaking apart and spreading out evenly in a solvent to form a solution. (Lesson 05 and 06)

negatively charged particle located outside the nucleus of the atom. (Lesson 09)

more than one hundred substances that cannot be chemically broken down into simpler substances and are primary constituents of matter (Lesson 09)

Data collected during research/investigation (Lesson 01)

The smallest unit of a compound that contains a metal (Lesson 10)

A mixture in which the composition is uniform throughout the mixture. Example: Kool-Aid drink (Lesson 02)

the transfer of thermal energy from a warmer substance to a cooler one (Lesson 11) (Lesson 12)

the variable the experimenter manipulates or changes and is assumed to have a direct effect on the dependent variable. (Lesson 01)

slow down the transfer of thermal energy. (Lesson 12 and 13)

The energy of motion (Lesson 05 and 06) (Lesson 11) (Lesson 12)

multiple nonmetal atoms connected by a chemical bond (Lesson 10)

subatomic particle with no charge located in the nucleus of the atom (Lesson 09)

center part of the atom is made up of protons and neutrons (Lesson 09)

an extremely small part of matter that exerts a force (Lesson 10)

a chart that contains all the elements (Lesson 09)

Percent Concentration

how much solute is in a solution, compared to the total amount of the solution, expressed as a percentage (Lesson 04)

change in the physical properties of a substance, as size or shape (Lesson 07 and 08)

a solid formed by a change in a solution (Lesson 07 and 08)

positively charged subatomic particle located in the nucleus of the atom (Lesson 09)

information that describes the qualities or characteristics of something using words. (Lesson 04)

information that can be measured and expressed with numbers. (Lesson 04)

the transfer of thermal energy through electromagnetic waves (Lesson 13)

Logical connections to explain how the evidence supports the claim (Lesson 01)

A solution is a homogeneous mixture of one or more solutes dissolved in a solvent. (Lesson 02)

The substance that dissolves in a solvent to produce a homogeneous mixture. Example: Kool-Aid Powder (Lesson 02)

The substance in which a solute dissolve to produce a homogeneous mixture. Example: Water (Lesson 02)

number in a chemical formula that denotes how many atoms of a particular element are present (Lesson 10)

The amount of exposed area of a solid substance (Lesson 05 and 06)

The average kinetic energy of all the particles in a material; measured by a thermometer (Lesson 05 and 06) (Lesson 11) (Lesson 12)

the total of all kinetic energies within a given system (Lesson 11) (Lesson 12)

Unit 1 Science 7th FC Flashcards

Student preview

48 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Agitation

Back

stirring or shaking something. (Lesson 05 and 06)

2.

FLASHCARD QUESTION

Front

Atom

Back

the smallest component of an element (Lesson 09)

3.

FLASHCARD QUESTION

Front

Atomic Mass

Back

the number of protons and neutrons in an atom (Lesson 09)

4.

FLASHCARD QUESTION

Front

Atomic Number

Back

the number of protons in an atom (Lesson 09)

5.

FLASHCARD QUESTION

Front

Aqueous solution

Back

A solution in which the solvent is water. (Lesson 02)

6.

FLASHCARD QUESTION

Front

Chemical bond

Back

the attraction between two or more atoms (Lesson 09)

7.

FLASHCARD QUESTION

Front

Chemical change

Back

is a process in which one or more substances are altered into one or more new and different substances. In other words, a chemical change is a chemical reaction involving the rearrangement of atoms. (Lesson 07 and 08)

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