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...
Virginia Department of Education
The Cycles of Nature
Encourage peer collaboration and assist with the creation of visual aids to identify carbon, water, and nitrogen cycles as your class learns more about nature. They discuss relative information, create a visual aid...
Curated OER
Nitrogen Fixation, OR What a Gas!
Learners illustrate the adaptation and co-evolution of organisms. They examine set up an experiment to determine the effect of adding the Rhizobium bacteria to a group of legume seeds.
Curated OER
Nitrogen Fixation, OR What a Gas!
Students gain skill in the design, implementation, and reporting of a scientific research project using the scientific method. They set up an experiment to determine the effect of adding the Rhizobium bacteria to one group of legume...
Curated OER
Food Chains
Learners take a look at the relationship between organisms in food chains, food webs, and energy pyramids. After an opening demonstration by the teacher, pupils are split up into groups. Each one is assigned an environment such as:...
Curated OER
Food Chains
Fourth graders investigate food chains. They review cycles and discuss ecosystems. They select an environment and create a food chain in small groups. They write their food chain and label it for the class to evaluate. They create...
Curated OER
Testing Soils for Garden Planting
Sixth graders collect soil samples and record the location of the samples by using GPS.
Curated OER
Spring Awakenings
Students observe changes in a selected tree bud/leaf during spring. They record changes in the bud/leaf using words, pictures and numbers. They understand that trees adapt to changes in temperature, light, and moisture by sprouting leaves.