This reading comprehension explains the whys and whens of the autumnal equinox. This lesson is appropriate for both hemispheres. It is followed by 4 multiple choice questions, 1 short response and 4 short essay questions.
Reading comprehensions on the sun, incandescent light, light bulbs, electroluminescence, fluorescence, phosphorescence, bioluminescence, LEDs and LCDs... every type of light. A thoroughly informative unit!
A 1 page article provides factual information about one of America's most famous landmarks, the Empire State Building. It is followed by 5 multiple choice questions and 5 questions requiring short written responses.