Blue Moon Slides
A slide deck explaining the 29.5-day lunar cycle and why the timing of the first full moon is critical for the occurrence of a Blue Moon.
Blue Moon Investigation Worksheet
A student worksheet requiring them to explain three different reasons why the timing of the first full moon is critical for a Blue Moon, based on the 29.5-day lunar cycle.
Blue Moon Answer Key
A teacher answer key providing detailed scientific and mathematical explanations for why a Blue Moon requires the first full moon to occur at the start of a month.
Blue Moon Slides 4th Grade
A 4th-grade level slide deck explaining the 29.5-day lunar cycle and why the first full moon must happen at the start of a month for a Blue Moon to occur.
Blue Moon Investigation Worksheet 4th Grade
A 4th-grade level student worksheet requiring them to explain three different reasons why the timing of the first full moon is critical for a Blue Moon, based on the 29.5-day lunar cycle.
Blue Moon Answer Key 4th Grade
A 4th-grade level teacher answer key providing simplified explanations for the Blue Moon investigation, including mathematical examples and reasoning.
Lunar Phase Reading Passage
A high-quality reproduction of the "Phases of the Moon" reading passage from the provided image, formatted for 4th-grade student use with clear diagrams and the investigation prompt.
Blue Moon Essay Prompt 4th Grade
A 4th-grade writing prompt and 5-paragraph essay structure guide based on the Blue Moon investigation and lunar cycle article.
Blue Moon Sample Essay 4th Grade
An exemplar 5-paragraph essay and grading checklist for teachers to use when evaluating student writing on the Blue Moon prompt.
Lunar Cycle Essay Prompt 4th Grade
A second 4th-grade essay prompt focusing on the "masks" metaphor and the different phases of the lunar cycle.
Lunar Cycle Sample Essay 4th Grade
An exemplar 5-paragraph essay and grading checklist for teachers to use when evaluating student writing on the lunar cycle and the masks metaphor.