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Because I have an entire blog devoted to ants, I don't talk about them here often.

Let's make an exception for the tiny dark rover ants visiting brittlebush flowers this week.

The ants are collecting nectar, like other insects do when they visit plants.

I keep an eye on these little guys because they aren't from Arizona. They are native to South America, particularly Argentina and Paraguay. They were first seen in the U.S. around 1978.

We often find dark rover ant nests in flowerpots, which mean it is easy to move them from place to place accidentally.

I sometimes discover rover ants at the tops of tall plants. I wonder how they manage to find their way to such heights. Imagine what the world must look like to something this small.

 

 

 

Rosemary plants grow well here in Arizona.

This time of year, the shrubs are covered with delicate light blue or purplish flowers.

The honey bees visit the flowers in a constant stream of activity.

After watching the bees for a few minutes, you begin to notice the bees have a light-colored dusting of pollen on the back of their head and thorax.

It looks like they've been sprinkled with wheat flour.

Where is it coming from?

To answer that question, check out the structure of the rosemary flower up close. See those "antlers" sticking out of the top of the flower? The ones with the deep purple pads on the ends are the stamens. The purple pads are the anthers, where the pollen is released.

When the honey bee sticks her tongue deep into the throat of the rosemary flower to suck up the nectar at it's base, the stamen catches her on the back of her head and thorax. Like a pad full of powder, the anther dusts her with pollen.

Note:  the photographs are a bit blurry because the honey bees were visiting each flower for only seconds at time.

Have you ever seen a flower dust pollen onto a honey bee?

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Today for STEM Friday we are featuring a 2018 Best STEM Book K-12 (National Science Teachers Association and the Children's Book Council)How Could We Harness a Hurricane? by Vicki Cobb.

Hurricanes have certainly been in the news. This middle grade title is for kids who are looking for a deeper understanding of extreme weather. It not only explains what a hurricane is, but also offers discussions about whether we can stop hurricanes from forming, whether we can harness their energy, and whether we should we even try to "mess with Mother Nature."

What I love about it is that it's filled with hands-on experiments for those kids who learn by doing. For example, there's an experiment to show how hot water flows through cold water (We did a similar, but less complicated experiment years ago).

You can get a good idea about what the book covers in this book trailer:

How Could We Harness a Hurricane? asks some difficult questions and penetrates into the science of big weather. It is perfect for older kids who want to seriously learn about hurricanes.

Hurricane Science Activity for Kids

How do meteorologists figure out how to categorize hurricanes?

They use the Saffir-Simpson Hurricane Scale, which uses wind speed.

It seems like we've put hurricanes into categories forever, but it has been only about 45 years. The scale was developed in 1971 and introduced to the general public in 1973. It was developed by Herbert Saffir, an engineer, and Robert Simpson, who was a meteorologist and director of the U.S. National Hurricane Center. The only factor taken into consideration is how fast the winds are blowing.

How do the meteorologists measure wind speeds in hurricanes? These days pilots fly specially-equipped planes into the storm and drop instruments called dropsones.

Public domain illustration from NASA retrieved at Wikimedia

The dropsonde has GPS capability so the scientists who monitor the data it transmits can calculate how fast and in what direction the wind is carrying it.

On the ground, we use a device called an anemometer to measure the wind speed.

Anemometer

You can buy or build an anemometer. There are instructions on how to make an anemometer using muffin tins on the Growing with Science website, or one using paper cups at Education.com.

Take your equipment outside. Record the wind speed at different temperatures and different times of the day. Is it easy to measure? How does wind speed change?

Check with local weather reports to see if your results match what is posted. Why might they be similar or different?

You can also experiment with mini-hurricanes on the surface of bubbles (parental supervision needed.)


How cool is that?

Related Resources:

Looking for more children's books about weather? Visit our growing list at Science Books for Kids.

Age Range: 9 - 12 years
Publisher: Seagrass Press (August 1, 2017)
ISBN-10: 1633222462
ISBN-13: 978-1633222465

Disclosure: This book was provided by Quarto Kids for review purposes. Also, I am an affiliate with Amazon so I can provide you with cover images and links to more information about books and products. As you probably are aware, if you click through the highlighted title link and purchase a product, I will receive a very small commission, at no extra cost to you. Any proceeds help defray the costs of hosting and maintaining this website.

Come visit the STEM Friday blog each week to find more great Science, Technology, Engineering and Math books.