Help Detective Le Plant dig for clues in the soil to solve this case. You'll need to find out what soil is, why it is important, and in what kinds of soil plants grow.

Cryopreservation-storing seeds in ultra-cold liquid nitrogen-is one method for maintaining plant genetic stocks in seed banks. The purpose of this project is to observe the characteristics and outcomes of cryogenically frozen seedlings...

Take an interactive quiz over plant structure and function. After completing the quiz, check your score, and then revisit any incorrect question for further review.

[Free Registration/Login may be required to access all resource tools.] Describes the three major types of plant tissues.

[Free Registration/Login may be required to access all resource tools.] Describes the three major types of plant tissues.

Describes the three types of plant cells and their differences, and the structures within a plant cell and their functions.

Flip this interactive card to find fast facts, questions and answers, and other bite-size pieces of information about the cassava plant.

This comprehensive site exams the leaves, flower petals, fruit, rhizomes, and root system of the carnivorous pitcher plant.

This site from North Carolina State University's plant breeding interdepartmental program gives information through links on careers in plant breeding.

Take a peek inside a plant or animal cell, and examine the structure and function of each organelle.

An experiment where first-graders plant seeds and monitor their growth. Prior to planting, they decide on an inquiry question, and how they will find out the answer through the experiment.

Plants have evolved many clever mechanisms to ensure that their seeds will wait for appropriate conditions before sprouting. Some may only germinate after a fire, others only after going through a cold spell. This project explores one...

All about plants has information on plant parts--seeds, flowers, fruits, roots, and spores--and plant processes--seed dispersal, germination, pollination, and photosynthesis. You can also take a tour of this Los Angeles-based...

In this ZOOMSci experiment, you're invited to walk through a grassy or weedy field in your stocking feet, then plant a sock and see what grows.

Understand how the components of soil effect plant growth.

[Free Registration/Login may be required to access all resource tools.] Looks at the processes of sexual reproduction in flowering plants, including pollination, fertilization (seed production), seed dispersal, and germination.

A book about making things with tools and different materials. Includes audio narration in six additional languages with text in English.

Aasha is learning about multiplication. Can you help her?

Have a fun learning experience as you read about the smallest flowering plant. Botanical facts, pictures, projects, and practical uses of the Duckweed plant are all part of this site.

A simple lesson plan on rainbows. Objectives are to learn the colors of a rainbow, to reinforce shapes and colors, and to become aware of how flowers are planted and how they bloom.

Resource contains very brief information on the stems of a plant. The information is set up in a very easy to understand format. Great for younger ages.

Choose and plant your seeds, and then give them everything they need to grow in this interactive garden.

Meet Akio and help him count all the beautiful plants in his garden.

In this Inquiry, learners engage in a debate between two characters about when a bed-and-breakfast (B&B) should have a fall leaf-peeping special to maximize the guest experience. Students are introduced to Budburst, a citizen science...