1.

Kirchoffs First Rule, or Junction Theorem, states that

	the sum of currents at any junction is the resultant current
	the algebraic sum of voltages around a closed loop is zero
	the algebraic sum of the currents at any junction is zero
	the algebraic sum of voltages is the resultant voltage

2.

Temperature is a measure of an objects

	average molecular kinetic energy
	average molecular potential energy
	flow of thermal energy
	total molecular kinetic energy and molecular potential energy

3.

If heat is added to a substance, which of the following is the correct order of phase change?

	Solid, liquid, gas, supergas
	Plasma, solid, liquid, gas
	Solid, liquid, gas, plasma
	Gas, liquid, solid, plasma

4.

\fm [:7] 24. How many neutrons does the following isotope of nitrogen have? (2 points) lgN