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First Day of School Science Activities | Posted in Life Science
You can use a science lesson to create your seating arrangements. Pass out a picture of an animal to each student. Make sure no animals are duplicated. Let students share their animal with the rest of the class. Discuss what all of the animals have in common and what makes them different. Have the students group themselves based on their animals' similarities (i.e. classify the animals). Then group their desks to match the groups they've created. This doesn't have to be a permanent seating arrangement, but it's a fun lesson that allows the students to be (or appear to be ;)) in control.
The Drake Equation | Posted in Earth and Space Science
The Drake equation is not directly used by scientists in their research. Rather it is often used when talking about life in the universe to non-scientists, such as in astrobiology courses, as James mentioned. One of the keynote addresses I sometimes deliver is on astrobiology, and I discuss the Drake equation quite a lot, as it relates to many fascinating topics regarding the development of life in the universe, where we would expect to find life, and how common we might expect life to be.
The purpose of the Drake equation is not to give a precise answer to that fundamental question -- How many technological civilizations are in our galaxy? -- but to form the basis of discussions by presenting various types of information that we would need to know, if we wanted to answer that question.
So basically the Drake equation is a statement that "stimulates intellectual curiosity about the universe around us, for helping us to understand that life as we know it is the end product of a natural, cosmic evolution, and for helping us realize how much we are a part of that universe." (https://www.seti.org/drakeequation)
What the equation and the search for life has done is focus science on some of the issues concerning life in the universe, specifically the development of life starting with chemical processes, the development of multi-cellular life, and the development of intelligence.
classroom management during experiments | Posted in Early Childhood
I am currently a student teacher in a math and science classroom, and I get the chance to watch my mentor teacher enforce the most effective classroom management skills I have ever seen. She uses positive reinforcement constantly. The school I am at has a reward system where they give "merits" and "demerits" for behavior. These are backed up by a system where if students accumulate a certain amount of merits, they can choose to spend them in the classroom "store" or save them for a special privilege. My mentor says things out loud to the class like "I appreciate how ___ is following my instructions, I am going to give them a merit." or "These students are showing patience as they wait for the next activity quietly, I will give them a merit." Sometimes it is while some students are off tasks, so they will redirect their actions so that they can also receive merits. If it doesn't help, she will give demerits after fair warning.
Another really great technique is giving access to science experiment materials after modeling and giving explicit instructions on what they are expected to do with them. First, tell them what to do, then tell them the voice level you expect them to be at. Showing appreciation for those that followed instructions constantly. I hope this helps! Good luck!
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