Curated OER
7th Science Quiz
This seventh grade life science quiz has a professional appearance and well-written multiple-choice questions. However, it seems to cover too broad a variety of biology topics for only 15 questions to fully assess. There is one question...
Curated OER
Scientific Data: It's Not as Pretty as It Looks!
The difference between accuracy and precision is fundamental for high school science learners. Using test kits for nitrate concentration in water, they compare readings with each other. They consider the accuracy, precision, and bias of...