Curated OER
Amazing Seeds
Three cute activities introduce youngsters to seeds and roots. In the first activity, various soaked seeds are placed in a glass so that the direction of root growth can be observed. In the second, a bag of seeds is filled with water and...
Curated OER
Tropism
Students conduct various experiments on tropism. In this biology lesson, students explain how gravity affects the growth of plant roots. They identify the different types of tropisms.
Curated OER
The Importance of Tropisms
Students investigate plant tropisms using the scientific method. In this life science instructional activity, students learn about tropisms and test the response of corn seedlings to gravity. Response questions, extensions, and an...