Glossary Update

GLOSSARY:

·         Problem: the question being investigated

·         Hypothesis: an educated guess

·          independent variable: what your change in an experiment

·          dependent variable: what your measure in an experiment

·          Constants: things you keep the same in an experiment

·         Control: no independent variable; used to compare with data to see if variable affects results

·         Observation: describing something using your 5 senses

·          Qualitative: qualities of an object ex: round, blue

·          Quantitative: describing an object using number ex: 5 cm wide

·         Materials: the stuff you use in your experiment

·         Procedure: the steps you follow to test the hypothesis

·         Data: the results collected

·         Errors: mistakes made during the lab that may affect results

·         Conclusion: answer your problem question, back up your analysis with data

·         Energy: causes objects to move, change, or do work

·         trade-off: give up something to get something

·         consumption: to use up

·          potential energy: stored energy that has not yet been used

·          GPE: energy based on gravity and position above the ground

·          kinetic energy: energy of motion

·          Transfer: to move from object to object

·          Transform: to change from one form into another GPE à KE

Friction: when two forms of matter rub against each other in opposite directions; causes thermal energy