Organization of Life

Spending time outside has important physical and psychological benefits. It can even help you learn better!

Learn about two taxonomy systems that scientists use to classify the life around us.

6 images of some seeds which are the fertilized part of a plant used for germinating new plants such as fennel, kiwis and pumpkins

6 images of some seedlings sprouting as one of the stages towards full plant growth

This backgrounder explains what light is, how it is measured, and how it affects people on Earth and astronauts on board the International Space Station.

Do an experiment with celery to learn about the structures that help plants take up water.

Humidity is an important part of life on Earth and life in space. This backgrounder explains what humidity is, how it is measured and how it affects us both mentally and physically.

You can make your own terrarium for growing plants!

How do plants use scents? Learn how some plants use chemical signals to send messages to animals or other plants.

How do our bodies get cold? How do sleeping bags keep us warm?

8 images of some flowerheads such as roses and water lilies whose outer petals are longer than the petals in the centre of the flower

3 images of some asymmetrical flowerheads such as an iris and an Orchis Sima or Monkey Orchid

7 images of some symmetrical flowerheads such as asters and sunflowers whose petals radiate from the centre of the flower

5 images of some flowerheads such as petunias and lilies that start as a narrow base and widen to an open shape

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