science midterm
science study guide.
Terms
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- independent variable
- variable that stands alone
- weight
- is dependent on the pull of gravity and is not constant
- properties of matter
- weight, mass, vollume, density
- compound
- two different element combined to create a new substance
- y axis
- vertical line on a graph
- solution
- your final product (result)
- purpose statement
- determines purpose of expiriment
- mass
- the amount of matter in an object
- sublimation
- the phase change when a substance changes from a solid to gas skipping liquid state
- purpose
- reason for expiriment
- freezing
- is the phasse change when a substance changes from a liquid to a solid
- quantitative data
- data you collect using numbers
- solute
- a substance added to a chemical reaction to create a change in the solution
- qualitative data
- data you collect usuing your senses
- diluted
- a mixture with little concentration.
- x axis
- horizontal line on a graph
- heterogenous
- a type of mixture that can be seperated
- hypothesis
- an educated guess
- suspension
- oner substance refusing to mix with another
- volume
- the amount of space an object takes up
- dependent variable
- a variable that depends on other variables
- deposition
- isa the phase change as a substance changes from a gas to solid without passing through a liquid state
- vaporization
- is the phase change as a liquidturns to a gas
- density
- the amount of mass per volume of an object
- solvent
- your begining product
- condensation
- is the phase change when a substance turnes from liquid to a gas
- concentrated
- a strong solution with more substance than water