Chapter 1
The daily dance of heliotropism
Chapter 2
The internal clock and growth hormones
Chapter 3
Why follow the sun
Chapter 4
The global journey of the sunflower
YOUR GOAL
Master of How sunflowers follow the sun
Ch 4 · The global journey of the sunflower
artiteacher A religious loophole made sunflower oil incredibly popular in Eastern Europe.
artiteacher Spanish explorers brought the sunflower to Europe as an ornamental curiosity.
BETA
artiteacher Arrange seeds in spirals to discover the mathematical beauty of how sunflowers pack them.
Fun Fact
Nuclear cleanup crews: Sunflowers were planted at Chernobyl to pull radioactive toxins out of the soil and water through their roots.
Glossary
sunflower (noun)
A tall North American plant of the daisy family, with very large golden yellow flowers that yield edible seeds and oil. Spanish explorers first brought the plant from North America to Europe in the sixteenth century.
A tall North American plant of the daisy family, with very large golden yellow flowers that yield edible seeds and oil. Spanish explorers first brought the plant from North America to Europe in the sixteenth century.
Quiz
What did Europeans originally use sunflowers for when they first arrived in Spain?