Curated OER
Microbial Influence on Earth's Systems
Students identify the different biogeochemical cycles on Earth. In this biology lesson, students observe microbes under a microscope. They compare and contrast respiration and photosynthesis.
American Museum of Natural History
What's the Big Deal About Water?
It may seem simple, but water is one of the most unique substances on Earth. An interactive online lesson describes its properties and importance in so many different situations. Learners interact with the lesson to learn the role water...
Curated OER
Answering Science Questions
Students examine the ways in which scientists answer questions. In this critical thinking and scientific process lesson students complete a worksheet of questions.