Science Choice Board Crossword

6. an experiment or trial that uses controls (usually seperating into one or more groups)
7. any variable that can be attributed a value without attributing a value to any other value
11. a closed path through which an energy current flows or may flow
14. a passive two-terminal electrical component that implements electrical resistance as a circuit element
15. energy related to forces on electrically charged particles and the movement of those particles
17. the amount of energy put out or produced over/in a given amount of time
19. said to generate a magnetic field around themselves
21. the power or heat created when something moves, is burned, or exerted.
22. the voltage across each component is the same

1. the current that flows across each component is the same
2. an object, substance, or material allowing the flow of electric charge
3. a flow of positive electric charge
4. an instrument used to measure electrical potential difference between two points in an electric circuit
5. things affected by the changes that you make (result of the tests)
8. a source of electric power consisting of one or more electrochemical cells with external connections for powering electrical devices
9. the energy of chemical substances that is released when they undergo a chemical reaction and transform into other substances
10. the unit of electric current in the SI
12. the difference in electrical potential between two points (electrical pressure and tension)
13. the unit of electrical potential
16. an imperial relation which accurately describes the conductivity of the vast majority of electrically conductive materials
18. an instrument used to measure the current in a circuit
20. a designed representation of the elements of a system using abstract, graphic symbols rather than realistic pictures
23. the set of physical phenomena associated with the presence and motion of matter that has a property of electrical charge