Planting and watching seeds grow is a fantastic spring science activity for children. Kids can start with a bean or seed in a ...

The cress plants that did not grow under the plastic bottle need another one or two days before they can be harvested. The bottle acts as a miniature greenhouse for the germinating plants, providing ...

A greenhouse is any structure used to grow plants in a controlled environment. The clear roof and sides allow sunlight in for the plants and keep the temperature and humidity levels higher than ...