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Photosynthesis

Vegetables and fruits on display

Plant Pigments

Backgrounders

Why are there so many colours of plants? Learn about plant pigments and their role in plants.

Pepper plants on the ISS

Tropisms in Plants

Backgrounders

Learn about the different ways that plants move in response to their environments.

Plant Cells with Visible Chloroplasts

Specialized Cells of the Leaf System

Backgrounders

Learn about the structure and function of the cells in leaves.

Seedling with sunlight

Light & Plants

Backgrounders

Learn about the process of photosynthesis and how it is affected by light levels.

Leaf and the Sun

Plant Functions

Backgrounders

Learn about the important plant functions of photosynthesis, respiration and transpiration

Water droplets on succulent leaves

How Do Plants Survive in the Desert?

STEM Explained

Plants need to exchange gases and water with their environment as part of photosynthesis. Some plant cells have evolved specifically for this purpose.

Why do leaves change colour in the fall?

Why do leaves change colour in the fall?

Hands-on Activities

How do the green leaves of summer change to vibrant colours in fall? Explore plant pigments in this chromatography activity.

How do I construct a terrarium?

How do I construct a terrarium?

Hands-on Activities

You can make your own terrarium for growing plants!

Green walls in Harvard University

Green Walls

STEM Explained

Green walls use plant processes to improve air quality in buildings.