Lake Afton Public Observatory
Shadows, Angles, and the Seasons
Shine some light on the topic of seasonal change with this collection of activities. Whether it's by measuring the change in the length of their shadows, or modeling the earth's orbit around the sun using a lamp and a globe, these simple...
Curated OER
Right Triangle Trigonometry
In this geometry learning exercise, 10th graders use right triangle trigonometry to find the missing angle measure. The two page learning exercise contains fourteen problems. Answers are provided.
Curated OER
Reasons for the Seasons
This worksheet requires the pupils to follow a teacher activity, so more-than-the-usual preparation for a practical is needed. Looking at a globe as it rotates and receives "sunlight" from a flashlight, pupils are able to observe the...
Curated OER
A Related Rate Problem
In this algebra worksheet, students calculate the rate of change as it relates to height and length. This is a word problem with 3 specific math questions as to how Frank S. Key came up with the song "Me and My Shadow"