We are launching on ProductHunt 🚀
We are launching on #ProductHunt tomorrow.
That's it. That's the note. 🎉
UPDATE:
You can review elemedu.com here:
www.producthunt.com/products/elemedu
We found 4 results in notes 🎉
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Unraveling Earth's Circumference: The Ingenious Method of Eratosthenes
In ancient times, when the concept of a spherical #Earth was still taking root, #Eratosthenes, a polymath from ancient Greece, made a groundbreaking discovery that revealed the Earth's circumference. Born in Cyrene (modern-day Libya) around 276 BCE, Eratosthenes' contribution to #geography and #mathematics remains unparalleled.
Eratosthenes' method for measuring the Earth's circumference was both simple and ingenious. He noticed that on a specific day each year, the summer solstice, the Sun would cast no shadow on the town of Syene (now Aswan, Egypt) due to its proximity to the Tropic of Cancer. However, in #Alexandria, a city to the north of Syene, a shadow was still cast by a vertical object such as a sundial or a vertical stick. Eratosthenes realized that this difference in shadow angles could be used to calculate the Earth's circumference.
Using basic #geometry, Eratosthenes measured the angle of the shadow cast in Alexandria and the distance between Syene and Alexandria. By applying principles of proportion, he estimated the Earth's circumference to be approximately 250,000 stadia, which is roughly equivalent to 40,000 kilometers – remarkably close to the modern-day value.
Eratosthenes' method was revolutionary not only for its accuracy but also for its reliance on empirical observation and mathematical reasoning. It demonstrated the power of scientific inquiry and laid the foundation for future advancements in geography and astronomy. His work helped to establish the spherical shape of the Earth and paved the way for further exploration and understanding of our planet's dimensions.
Today, Eratosthenes' legacy endures as a testament to the brilliance of ancient scholarship and the enduring quest for knowledge about our world. His method remains a shining example of how curiosity, ingenuity, and meticulous observation can unlock the mysteries of the universe.
Why are classroom rules so important? 🏫
As a 4th grade teacher, I've come to realize the importance of having clear and consistent classroom rules. Not only do rules create a safe and structured learning environment, they also help students develop essential social and emotional skills that will serve them well throughout their lives.
First and foremost, classroom rules establish clear expectations for behavior. By setting boundaries and outlining consequences for breaking them, students know exactly what is expected of them and what will happen if they misbehave. This creates a sense of safety and security, which is essential for students to feel comfortable and engaged in the learning process.
Additionally, classroom rules help teach students important life skills, such as responsibility, respect, and self-discipline. When students understand that their actions have consequences, they are more likely to take ownership of their behavior and make responsible choices. By following rules and treating others with respect, students learn how to build positive relationships and work collaboratively with their peers.
Of course, it's important to choose rules that are age-appropriate and relevant to your specific classroom. Here are some examples of rules that might be appropriate for a 4th grade classroom:
• Be respectful to your classmates and your teacher.
• Listen when others are speaking.
• Keep your hands, feet, and objects to yourself.
• Follow directions the first time they are given.
• Use appropriate language and tone of voice.
• Stay on task and avoid distracting others.
• Be prepared for class by bringing all necessary materials.
It's important to review these rules regularly and reinforce them consistently throughout the year. By doing so, you'll create a positive and productive learning environment where all students can thrive.
🎄☃🎄 Χρόνια πολλά και καλές γιορτές 🎄🎁🎄
Χρόνια πολλά και καλές γιορτές σε όλους, παιδάκια!
Να περάσετε όμορφα με τις οικογένειές σας και να ξεκουραστείτε!
Όταν θα πάτε να κάνετε τα μαθήματα, πιθανότατα γύρω στις 5 - 6 Ιανουαρίου, δείτε το σημείωμα από κάτω 👇
