Bull Thistle {InstaScience}

Bull Thistle is one of those "weeds" that almost all of us are familiar with! Its characteristic purple flowers are easy to spot as they adorn the top of the stem. Plus, its spiky stem acts like a sentinel on the border of vacant fields and along trails. This weed definitely prefers wide, open, sunny areas! But did you know that the flowering stems you see are actually the second year … [Read more...]

Composite Flowers {InstaScience}

This purple coneflowers¬†is known as a composite flower. In these types of flowers, what we see as one bloom is actually a composite of two different type of flowers! There are: Simple ray flowers (outside), which serve to attract pollinators. Complete disc flowers (inside) where the pollination actually occurs. Fun Fact -¬†Sunflowers are also composite flowers! Teaching Science at … [Read more...]