Curated OER
Succession in a Jar
For this succession worksheet, students build an ecosystem using a jar, water, bird seed, soil and a water plant. They predict what their ecosystem will look like in 3 weeks and draw a diagram. Students record their data over the course...
It's About Time
Photosynthesis, Respiration, and the Carbon Cycle
Provide your class with the opportunity to view our carbon cycle close up. Young scientists research the cycle of oxygen as it completes the tasks of photosynthesis and respiration. They explore the importance of carbon in an ecosystem...
It's About Time
The Nitrogen and Phosphorous Cycles
How do we affect the ecosystem, and what can we do to preserve it? Pupils explore chemicals that promote and inhibit plant growth, then discuss the importance of nitrogen and phosphorus to the survival of organisms and describe how...