How Big is the World’s Smallest Butterfly? First, let me name this tiny insect. The Western Pygmy Blue is the smallest butterfly. Now about the Western Pygmy Blue’s size. When spread out, its wingspan is about 15mm to 19mm. Just how big is this? Discover for Yourself Use a metric ruler to draw two lines, one […]
A Blutterfly’s Life Cycle
Metamorphosis is a term used to indicate something changing, such as the life cycle of a butterfly. The stages of this cycle are: 1. Eggs are laid on a plant leaf. Each egg develops into a caterpillar. 2. Caterpillars look much like tiny thin worms at first. They eat on the leaves of the plant […]
How Crystals Form
What You Need to Know: A crystal is a solid in which the particles are packed in an ordered, repeated pattern. Precipitation is the process by which a solid falls out of a solution. A precipitate is the solid that precipitates. An evaporite is a precipitate formed by evaporation. What Does This Mean? Crystals are […]
Science Magic: Floating Ball
Science has a magical appeal for children. While they are entertained by science demonstrations, nothing is as captivating as something they can do themselves. The young man in the picture attended a GRANDMA SCIENCE PRESENTATION. As part of the program the boy was asked to hold a hairdryer so that the air blew upward. He […]
Is Science Just for Guys?
Do more guys become “scientists” than do girls? Yes, but it has nothing to do with any differences in abilities.I started college with a desire to become a scientists of some kind and I did–I taught secondary science and was a wife and mom. Most would not describe teaching and homemaking as being a scientists. […]
Sniffers
Dogs have a better sense of smell than you do. This is because there is more surface area inside their noses. So what does that mean? The surface inside a human or animal nose has bristles covered with a sticky mucus (snot). Odor molecules dissolve in this slimy stuff and as a result a message […]
Proud Granny
I want to share a special picture with you. The smiley graduate is my granddaughter, Lauren. Getting a degree from Texas A & M is definitely something to be proud of. One would think that attending the graduation ceremony would be easy, but then we are talking about Lauren, my granddaughter. But no matter how big […]
Shell Removal
How To Remove An Egg’s Shell Without Breaking the Egg The shell surrounding a chicken egg is composed of a chemical called calcium carbonate, which will react with acids. Vinegar is an acid called acetic acid. The chemical reaction that occurs when calcium carbonate and vinegar combine is called a chemical decomposition reaction. The word […]
Wind Direction
Wind is moving air. Gravity is a force directed perpendicular to Earth’s surface. In other words, gravity pulls things straight down (vertically) toward Earth’s surface. The mass of an object directly affects the amount of gravity acting on it. The greater the mass the greater is the force of gravity. For wind to move an […]
Talking Tails
Animals communicate by sound, such as a tiger’s roar. But the roar can mean different things depending on its tone and volume. It could mean: GET AWAY!!! Let’s Play Come and Share the Food I Found. Tigers are also known for communicating with their tails . The position and motion of a tiger’s tail sends […]
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