Science Final
Terms
undefined, object
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- shows parts of a whole
- circle graph
- for _____________ atoms, the number of protons and electrons are the same
- neutral
- a rule that descrives a pattern in nature but does not try to explain why something happens
- scientific law
- international system of units
- SI Units
- characteristics of metals
- shiney, conducts heat and electricity, malleable, have luster, ductile, on the left side of the periodic table
- ______________ occurs when electrons are shared. Occurs between _________________________
- covalent bond, 2 nonmetals
- describes how easily something reacts with something else are formed when acids and bases react
- reactivity
- shows the relationship between two variable
- line graph
- electrons have a __________ charge
- negative
- any change of a material into a new material with different properties
- chemical change
- examples of earth science
- geology, meteorology
- bonds formed when electrons are gained or lost. Occurs between a ___________ and a _______________
- ionic bond, metal and nonmetal
- atoms of the same element with a different number of protons and nuetrons
- isotopes
- possible explanation for repeatedly observed patterns in nature suppored by observations and results from many investigations
- Scientific theory
- atoms with a complete outer energy level are
- stable
- anything that has mass and takes up space
- matter
- factor that can be changed in an experience
- variables
- SI unit for temperature
- kelvin
- matter with a definite volume, but no definite shape, that can flow from one place to another
- liquid
- a substance produced when elements combine and whose properties are different from each of the element in it
- compound
- pH of acid
- 0-7
- d= m/v (m/v)
- formula for density
- solids in which particles are arranged in a repeating three dimensional pattern
- crystalline solid
- change of matter from a gas to a liquid state
- condensation
- acids taste __________ and _____________
- sour, bitter
- pH of neutral substances
- 7
- reasonable guess that can be tested and is based on what is known and observed
- hypothesis
- most stable element group
- Noble gases
- where are proton and neutrons located
- in nucleus of atom
- is a pure substance that contains two or more elements
- compound
- uses rectangular blocks, or bars, of varying sizes to show the relationships among variables
- bar graph
- ______________________ are formed when acids and bases react
- Something else
- any characteristic of matter- such as color, shape, or taste-that can be detected by the senses without changing the identity of the matter
- physical property
- matter made of only one kind of atom
- element
- change of matter from a liquid state to a solid
- vaporization
- matter that doesn't have a definite shape or volume
- gas
- four states of matter
- solid, liquid, gas, plasma
- any change in size, shape, form, or state of matter, in which the matters identity remains the same
- physical change
- SI unit for mass
- kilogram
- SI unit for volume
- cubic meter (CM3)
- what are the different areas for an electon in an atom called
- energy level
- matter with a definite shape and volume
- solid
- neutrons have a _______________ charge
- nuetral
- examples of physical science
- chemistry, physics
- atoms form ________ with other atoms and become more _______________
- bonds, stable
- what are formed when acids and bases react
- salt
- protons have a __________ charge
- positve
- when an atom gains an electron and becomes negatively charged, refer to it as a
- negative ion
- SI unit for liquid volume
- liter
- ___________________ occurs when electrons are pooled. Occurs between ___________________
- metallic bond, 2 metals
- matter can not be created or destroyed
- law of conservation of matter
- examples of life science
- biologist, botanity, zoology
- three branches of science
- physical science, earth science, life science
- SI unit of length
- meter
- the number of protons plus the number of neutrons
- mass number
- tells you the number of protons in the nucleus of each atom of that element
- atomic number
- pH of base
- 7-14