Level I Knows that the Sun supplies heat and light to Earth (K) Knows that heat can be produced in many ways (e.g., burning, rubbing, mixing substances together) (2) Level II Knows that electricity in circuits can produce light, heat, sound, and magnetic effects (4) Knows that heat is often produced as a byproduct when one form of energy is converted to another form (e.g., heat is produced by mechanical and electrical machines) (4) Knows the organization of a simple electrical circuit (e.g., battery or generator, wire, a complete loop through which the electrical current can 
(I; Knows; that the Sun supplies heat and light to Earth (K) Knows that heat can be produced in many ways (e.g., burning, rubbing, mixing substances together) (2) Level II Knows that electricity in circuits can produce light, heat, sound, and magnetic effects (4) Knows that heat is often produced as a byproduct) Context(I Knows,List([6, 13))):(the Sun supplies heat and light to Earth; Knows; that heat can be produced in many ways (e.g., burning, rubbing, mixing substances together) (2) Level II Knows that electricity in circuits can produce light, heat, sound, and magnetic effects (4)) Context(I Knows the Sun supplies heat and light to Earth Knows,List([6, 69))):(that heat; can be produced; ) (heat; is produced; by mechanical and electrical machines; L:e.g.) (one form of energy; is converted; to another form) (4; Knows; the organization of a simple electrical circuit)
I Knows,List([6, 13)) I Knows the Sun supplies heat and light to Earth Knows,List([6, 69))
I the Sun supplies heat and light to Earth that heat heat one form of energy 4
Knows Knows can be produced is produced is converted Knows
that the Sun supplies heat and light to Earth (K) Knows that heat can be produced in many ways (e.g., burning, rubbing, mixing substances together) (2) Level II Knows that electricity in circuits can produce light, heat, sound, and magnetic effects (4) Knows that heat is often produced as a byproduct
that heat can be produced in many ways (e.g., burning, rubbing, mixing substances together) (2) Level II Knows that electricity in circuits can produce light, heat, sound, and magnetic effects (4)
by mechanical and electrical machines L:e.g.
to another form
the organization of a simple electrical circuit