mandy 9-23-10
Terms
undefined, object
copy deck
- procedure
- written step by step for a experiment
- producer
- organism that makes its food
- product
- substance formed from chemical reaction
- property
- characteristics used to identify matter
- Proton
- particle positive charge in nucleus
- Qualitative data
- data described in words
- quantitative data
- data expressed in numbers
- Radioactive dating
- measuring age material comparing radioactive form in rocks
- radon
- Radioactive gas in some rocks
- Reactant
- substances that enter chemical reaction
- relationship
- connection between two things
- relative age
- age of an object
- reproduction
- to make more organism
- respiration
- process which organisms use oxygen
- Ribosome
- organelle where proteins are made
- risk
- a chance
- Risk-benefit analysis
- process of weighing potential harm
- River
- large flowing stream
- river basin
- isolated area that contains all the water in a region
- salinity
- concentration of salts in a liquid
- sampling
- proscess which a small number of population is selective to represent the whole population
- sanitataion
- to clean
- science journal
- a written record
- scientific inquiry
- proscess which scientists seek answears
- semi permeable
- allowing certain substances of particles to pass through a membrane
- septic system
- wastewater treatment system
- STD
- sexually transmitted disease
- Solubility
- measure of how much a substance disolves