Last week we finished our science olympics flag! We put gears on our flag because gears are a type of simple machine and we are learning about simple machines. Our flag says 304 to represent our class. We made our gears by sandwiching two cardboard circles together and adding popsicle sticks for teeth. When the teeth of one gear touch the other gear it helps the other gear move which causes the gear beside it to move. This is what’s happening on our flag! This week we also learned what the difference is between revision (arms) and editing (cups) Revision is adding words and sentences, removing words and sentences, moving words and sentences and substituting words and sentences. Editing is adding capitals, fixing punctuation, fixing spelling and usage. We have picked a piece of writing we have worked on the past year and are revising it to make it better so we can share it with the parents and the whole school.
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This week we started creating our lego mindstorms robots. We worked in groups to create our very own robots. We learned what a robot is and parts of a robot. If you don’t know what a robot is, here’s a quick summary: A robot is a machine with human like features. It can help you do work like fix a pipe.There are many types of robots! For example house cleaning robots, drones,and androids. An android is a robot that mimics the form of humans and can do human jobs.We have a question for you. Do you think a toaster is a robot?
We have started our work on our cardboard fort with our grade eight buddies! Right now we are making our mini models. Our goal is to add as many simple machines as we can to our fort. We have to include pulleys, levers, gears, wheels and axles, and screws. Speaking of simple machines, we have been learning about levers. Did you know that 2nd class levers have their fulcrum at one of the ends and that 1st class levers have their fulcrums between the load and the effort? Speaking of robots, we are excited to find out what happens in our class novel, The Wild Robot. The main character is Roz, a creative and friendly robot who helped a lot of her animal friends. She even adopted an orphaned gosling! We are near the end of the book, and it looks like Roz might get captured and taken from her island home. Besides all the design work and excitement of reading The Wild Robot, we have been working hard in math, learning math facts and practicing word problems that involve rates and ratios. We have also been learning how to revise our writing and we have begun learning cursive, a type of writing where you can connect the letters to write faster. |
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February 2018
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