I am a grade 5 teacher and my kids love my states of matter unit because we make slime and we make ice cream. Both recipes can be made in plastic baggies, require the kids to be really engaged and make a lot of observations!
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One thing that I do with my kids in grade 7 & 8 is isolate DNA from bananas. Its easier than most people think, just with table salt and shampoo !! Obviously this isn't a high end lab experiment, but if done correctly, the student can see the strands of DNA floating in the cup. :)
Maybe you can scale it down and try it with your students ? If you'd like more info, just give me a shout, I'll dig up the site I used!
Try www.sciencebob.com - it's a pretty neat science site I've used with students trying to find science fair type stuff... it also got a lot of cool projects.
Of course, for "states of matter," you could always show how ice cream changes states by making ice cream in baggies (do this outside though - it's messy as the ice melts). Two years later, even though I wasn't teaching science anymore, students would still come up and ask me about doing it.
One thing you could have groups (5-6) of kids do is "clean up an oil spill). You have tubs for each group (like the kind for washing dishes) and fill it about 1/2 way with water. You would mix molasses and oil in a container (like the ones for ketchup) and squirt some of that liquid in the water.
Each group would have several things to "clean up" the spill (cotton balls, q-tips, droppers, etc.). I'm sure if you search you could find a detailed step by step process for this.
Kids this age like anything yucky and of course, MESSY!!
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volcanos are popular with this age...You can make mountains with newspaper (paper mache) and balloons...Put a small cup in the top, fill it with baking soda. Let the children add the vinegar and watch the erruption.
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My son went to his new secondary school open day and was entranced by the Science dept! For a start, they all had to put on 'Scientist' type white coats or aprons, write a name badge and take a pair of goggles. So they felt the part right away. They made sparklers (don't know the recipe - sure someone will know), and dipped compounds and burnt them over the bunsen to do a flame test and recorded their results on a chart. Other fun activities were based on simple Forensics. They were told that they were in a crime scene and had to use chromatography to establish which criminal's pen had been used and identifying hairs under a microscope to help support their decision (They were given slides of dog hair and human so it was easy to see the difference) Hope this helps!
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Im studying to be a secondary high school teacher but currently we have to do some practical work with primary aged children and have a science fair day and present a stall with a "Fun" science activity for students to do in 20 mins and would love some suggestions. If any wonderful science teachers out there have any ideas I would love to know. It has to be aimed at kids around 10 years of age and if it helps will be a grade 5 level.
I will be a secondary chemistry and biology and have no idea what to do for little kids
Thanks for everyones help, I know its a little different from weight loss talk but hope everyones acheiving their goals
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