Science Midterm
Terms
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- what are formedwhe nacids and bases react
- salt
- formula for daensity
- D=m/v
- si unit for lquid volume
- water
- A solid having a highly regular arrangement
- crystlline solid
- a change from a material tt oa new material
- chemical change
- si unit for mass
- kilogram
- ph of base
- 7-14
- what occurs when atoms are gained or lost
- ionic bond
- solid
- has 3 demensions
- si unit for temperuture
- kelvin
- what does SI unit stand for
- international system of units
- a factor that is able to change in an expirement
- variables
- acids taste
- sour
- what charge do electrons have
- negative
- atoms of the same element that have the same number of protons but different numbers of nutrons
- Isotopes
- a ges
- hypothesis
- most stable element
- nobel gases
- 2 examples of physical science
- matter molecules
- matter made up of only one kind of atom
- element
- when an atom gains an electron it becomes negative it is an
- ion
- Scientific theory
- a theory that explains scientific observations
- any change in size shape form orstate of matter
- physical change
- protons and neutrons are located in the
- nucleus
- si unit for volume
- lengh times width times hight
- any thing that has mass and takes up space
- matter
- what occurs when electrons are shared
- covalent bond
- evaporated liquid
- gas
- a rule that describes chemges in nature
- scientific law
- has no deffinate shape or form
- liquid
- any charicteristic of matter
- physical property
- matter is niether created nor destroyed
- law of conservation of matter
- what are the four states of matter
- solid liquid gas and plasma
- si unit for length
- meter
- what do atoms form to become more stable
- chemical bond
- ph of neutral substance
- 7
- waht shows the realationship between 2 variables
- line graph
- what occurs when electrons are pooled
- mettallic bond
- bases taste
- bitter
- atoms with a complete outer energy level are
- complete
- what are some characteristics of metals
- shiny cunductersmalleable ductile
- when water turns into gas
- vaporization
- describes how eisily something reacts with something else
- reactivity
- tells you the # of protons and neutrons in the nnucleus of an atom of that element
- Atomic nujmber
- ph odf an acid
- o-7
- the 3 branches of science
- life,physical,and earth
- shows parts of a whole
- circle graph
- what charge do protons have
- posotive
- the 3 examples of life science
- hand,body,and mind
- when a gas turns back into a liquid
- condensation
- the different areas for an electron are
- energy levels
- is a pure substance that has 2 or more elements
- compound
- 2 examples of life sience
- rock and sky
- what charge do neutrons have
- none