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Mercury is the closest planet to the sun. It is called a terrestrial planet because it is mostly made of rock. Since the planet has almost no atmosphere it experiences extreme temperature fluctuations. One really cool things about Mercury is that the surface of the planet is covered in large and small craters from where thousands of meteors have struck the planet. Another strange thing about Mercury is that is year (the time it takes to travel around the sun) is shorter than its day (the time it takes for the planet to rotate around its axis).
Pembleton thinks Mercury is pretty cool! What do you think?
Snowflakes are crystals made from water.
Today Ducky was jumping to catch early morning snowflakes in his mouth, when he asked Pembleton, “Why are snowflakes different from raindrops?”.
Pembleton said, “that is an interesting scientific question” and he asked the Lambs if they would retrieve some charts from his lab so that he could fully explain. Pembleton started, “Snowflakes and raindrops are both made of water”.
Ducky interrupted dancing with one wing in the air, “… but if they are both made of water, why do they look different?”.
“I’m getting to that! When the temperature is low, around 32 degrees Fahrenheit or 0 degrees Celcius, the water that would normally fall as raindrops turns into crystals. When these crystals grow, they form what we call snowflakes. During the 1920s, a scientist named ‘Snowflake Bentley’ took thousands of pictures of snowflakes showing the world that almost all snowflakes have different shapes.”
Ducky asked, “How do you know so much about snowflakes, Pembleton?”
“Snowflakes were my very first scientific interest. A large fluffy snowflake was the first thing I saw on the day that I hatched in the South Pole. Ever since then I have been studying these amazing little crystals.”
Until next time, Pembleton reminds you to KEEP BEING CURIOUS!
If you have a question for Pembleton, leave it in the comment section.
What is a Volcano?
Volcanoes are mountains formed by magma, and volcanic ash. Volcanoes can exist on land, under water, and even on other planets! Volcanoes start small but over long periods of time, magma, which turns into lava when it reaches the volcano’s surface, piles up causing the volcano to grow. In fact, the entire Hawaiian Islands were formed by volcanic eruptions. Sometimes when they erupt, they get smaller or change shape like Mt. St. Helens in Washington State, when the side blew out!
Until Next Time, Pembleton wants you to KEEP BEING CURIOUS!
Pembleton asks, “What science subject would you like me to explain next?” Please leave in the comment section below.
What is a Robot?
Ted and Blizzard asked Pembleton: “What is a Robot? ” Pembleton got so excited he took them to his laboratory to explain.
“Robots come in all shapes and sizes. They have a computer for a brain, and sensors and moving parts that help them complete specific tasks. Robots are used to make cars, computers, to help rescue people or animals from disasters, and clean around the house.” Pembleton explained to the Lil’ Guys.
“Wow, they can clean up around the house?!?” said Ted super excited.
“Did you know robots can also be your friend, and play games with you?” Pembleton added.
“We need one,” Blizzard and Ted said at the same time while they jumped up and down.
Until Next Time, Pembleton wants you to KEEP BEING CURIOUS!
Pembleton asks, “What science subject would you like me to explain next?” Please leave in the comment section below.
Ducky's Adventures 