click below
click below
Normal Size Small Size show me how
Testing Vocabulary
Science STAAR terms
Question | Answer |
---|---|
a small picture used as an example for something too big to see in real life | model |
to explain or tell about something | describe |
to hold | contains |
the same or close to the same | similar |
well-known; repeated; shared | common |
to do | performing |
to find out or determine | calculate |
a result or final statement | conclusion |
to set free; to let go | released |
to point out | indicates |
to show clearly; to give examples of | demonstrates |
to make or have been made | formed |
stays the same; does not change | constant |
to be exposed or come in contact with | subjected |
to be able to change back and forth | reversible |
to become hard again | hardening |
the arrangement of numbers based on the decimal point | place value |
an example of something or in place of something | represent |
made from 2 substances being mixed together | produced |
thought of | considered |
proof that something is true | evidence |
no charge | neutral |
to grow bigger or fill | inflate |
happening | occurring |
the least | fewest |
the most | greatest |
a guess of what will happen | predicted |
to organize in a way that repeats | alternating |
the way something is built | structure |
the center | core |
to be on every side | surrounded |
a picture to represent something | diagram |
to go past | exceeded |
comparing two things | ratio |
the smallest particle | atom |
the negatively charge part of an atom; in the electron cloud outside of the nucleus | electrons |
where electrons are found; first level holds 2 electrons, second holds 8, third holds 8 | energy levels |
have the same changes or reactions when mixed with other substances | chemically similar |
one type of atom; found on the Periodic Table | elements |
a vertical column of elements that have the same number of valence electrons and react the same way | group |
a horizontal row of elements that have the same number of shells | period |
the thing that makes a substance what it is | properties |
something on the inside that makes a substance what it is or react a certain way | chemical |
a quality of a substance that can usually be seen, heard, smelled or tasted | physical |
a change in speed or direction | acceleration |
being absorbed into the atmosphere | evaporates |
not equal | unbalanced |
mass times acceleration; measured in Newtons | force |
a change | reaction |
chemical formulas combined together to show a reaction | equation |
the large number in front of a chemical formula, applies to all elements in the formula | coefficient |
something that has been proven in science, accepted by most people | law |
the center of an atom, contains protons and neutrons, positively charged | nucleus |
two or more atoms combined | molecule |
a container for mixing substances; usually wider at the bottom and a narrow opening at the top | flask |
what is formed when 2 or more substances are mixed together forming a new substance | solution |
the average temperature inside of a room | room temperature |
the amount of space something takes up | volume |
the number of protons plus the number of neutrons in an atom | atomic mass |
changes when mixed with another substance | reactive |
electrons in the outside shell | valence electrons |
a change that makes a new substance and cannot go back to the old substance | chemical change |
a change that changes the appearance of a substance without changing what the substance is | physical change |
the small number to the right of a chemical formula, applies only to the element right before it. | subscript |