Science chapter 1&15
Defintions
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practice
Terms
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- Electric Current
- amp
- 7 SI units
- mass, length, temp., time, quantity, l.intensity, e. current
- fancy u
- micro
- 2 substances
- element, compound
- fog
- colloid
- 10^12
- tera
- Science
- the study of something
- Shape
- physical property
- Flammable
- Chemical property
- temperature
- kelvin
- Salt
- substance
- Element
- substance with atoms that are all alike
- Lumious Intensity
- candela
- 10^9
- giga
- Quantity
- mole
- Tea
- homogeneous
- Dust at a movie
- colloid
- Hypothesis
- educated guess
- Matter
- has mass and takes up space
- Physical Change
- undergoes a change in shape, size, color, and odor
- Scientific method 1-3
- Know problem, gather info., make a hypothesis
- Length
- meter
- Sodium Chloride
- compound
- Aluminum
- pure substance
- M
- mega
- Standard
- agreed upon quantity used for comparison
- k
- kilo
- Compound
- substance formed from 2 or more elements in which the exact combination and proportion of elements is always the same
- Technology
- the application of
- Solution
- homo.mix remains constantly mixed and has particles so small they cannot be seen with a microscrope
- 10^--9
- nano
- burning
- chemical change
- m
- milli
- Zinc
- element
- Colloid
- heterogeneous mixture whose particles never settle
- 10^--6
- micro
- Dependent
- y
- 10^3
- kilo
- 4-5
- Test through experimintation, Analyze Data
- Physical Change
- change in size shape
- chemical property
- depicts if a chemical change can happen
- Chemical Change
- change of one substance into a new substance
- Copper
- element
- Control
- standard by which test results can be compared
- T
- tera
- Smoke
- colloid
- G
- giga
- independent
- x
- propane is...
- compound or pure substance
- n
- nano
- Time
- second
- 10^--3
- milli
- Mass
- kilogram
- Pizza
- heterogeneous
- Blizzard
- heterogeneous
- Water
- pure substance
- Homogenous Mix
- solid liquid or gas that contains 2 or more substances blended evenly throughout
- Pure Substance
- type of matter with a fixed composition
- Distillation
- Process for seperating substances
- boiling
- physical change
- Constant
- the variable that doesn't change
- 10^6
- mega
- Milk
- colliod
- jello
- colloid
- Suspension
- heterogeneous mixture containing a liquid in which visible particles settle
- Color
- physical property
- Italian Dressing
- suspension
- 10^--12
- pico
- Heterogeneous Mix
- different materials are unevenly distributed and are easily identified
- physical property
- shape, color
- Chemical Change
- substances are changed into different substances
- 6-7
- State conclusion, repeat steps
- Helium
- pure substance
- Scientific Law
- statement that something will happen
- Kool aid
- homogeneous
- Theory
- explanation based on knowledge