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Why Sunflowers Follow the Sun!

By Janice VanCleave

Sun-tracking or heliotropic flowers face the Sun as it moves across the sky each day. Sunflowers are heliotropic. How do these flowers turn so they face the Sun during the day? Discover for Yourself! Do the stems of twist so that the flowers continue to face the Sun? You can check this out for yourself. […]

Filed Under: Biology Tagged With: heliotropic, sun-trackers, sunflowers

Benefits of Solar Tracking Flowers

By Janice VanCleave

Artic Heliotropic Flower

Solar-tracking, or heliotropic, flowers are common where the air is often cool and the growing season is short. The snow buttercup, arctic poppy  and other bowl-shaped heliotropic flowers collect energy from sunlight and heat up. The temperature inside the bowl of these flowers can become as much as fourteen degrees Fahrenheit warmer than the air […]

Filed Under: Biology Tagged With: heliotropic, heliotropism, mutualism, solar-tracking

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Welcome to Janice’s Science Extravaganza!

The spoon hanging from the string vibrates when struck and these vibrations are transmitted through the string and the sound is amplified by the plastic cups. ABOUT ME: Hi, I am Janice VanCleave, author of 50 best-selling science experiment books for children ages 4 through high school. I taught science for 27 years. MORE.....

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