Predicting the Greening of Spring With Red Emperor Tulips

Could the seasons be changing? Using National Park data, learners recognize patterns in the growth of seasonal plants. They look specifically at the first bloom date of cherry blossoms in Washington DC and compare them to temperature...

Did you know that tomtoes and cucumbers are actually fruits? Biology or botany beginners read about the function of flowers and fruit and find that some food items commonly called vegetables are, by definition, also fruits! Give learners...

Discover the chemistry behind the color change in leaves. The lesson narrator describes how trees must recycle nutrients in the leaves before they fall off for the winter. The video breaks down the process and highlights the chemistry of...

After reviewing the causes and effects of climate change, students become observers for "Plant Watch," a program to monitor the effects of climate change on plants. Students record blooming and leafing dates for selected local species...

This is not a lesson plan, but an outstanding resource to provide material for your lessons on seasonal changes and animal migration. Links connect you to live web cams and up-to-date information on Monarch Butterflies, hummingbirds,...

If any of the limiting factors in an environment change, both animal and plant populations also change. The video explains two different models of growth and the impact of limiting factors. It highlights the carrying capacity of an...

Leaves fall off the tree in the autumn, but why do they change colors? The interactive covers the role of chlorophyll and photosynthesis. It also explains both carotenoids and anthocyanins.

The billions of cells that make up all living things are the focus of this resource. Understanding the differences between the cells that make up plants and animals is an important distinction; it is covered here quite-well. Some...

Students discover how coffee is processed from a plant, to a drink. For this life cycle lesson, students study that cells and organisms go through a cycle of growth and change. Students organize picture cards, illustrate how coffee...