science fair project ideas?

Back to the Living with the Land, on the Behind the Seeds tour they had instructions for a make your own hydroponic garden. It may take too long to actually grow anything if you need it done by the middle of January though.
 
I'm going to go with a different viewpoint. If the project has to be done by mid-January, your trip is over Christmas, and you know about the assignment now, I would start the experiment as soon as possible rather than waiting to do it during your trip. My boys have done many science fair projects. Some worked out well, some did not. Sometimes experiments sound good on paper, but then they end up needing a lot of tweaking and retooling as you start executing them. You might find that you aren't able to gather enough data with your original plan and you need to rework it, a lot. Sometimes you think of supplies or equipment that you didn't plan on needing and make several runs to the store.

I would recommend coming up with the idea now and starting the experiment at home. One of my DS's favorites was watering plants with water, milk and soda. Only one plant survived. He had to figure out what may have happened to the other plants (too much sugar, calcium, etc.). It was an interesting project that took 3 weeks to complete. Then he wrote the paper, made the display board, and had some nice, moldy plants to for his display.

It might sound fun to do a science project at WDW, but it would also be fun to get a lot of the work done ahead of time and enjoy the trip homework-free.:)
 
I'm going to go with a different viewpoint. If the project has to be done by mid-January, your trip is over Christmas, and you know about the assignment now, I would start the experiment as soon as possible rather than waiting to do it during your trip. My boys have done many science fair projects. Some worked out well, some did not. Sometimes experiments sound good on paper, but then they end up needing a lot of tweaking and retooling as you start executing them. You might find that you aren't able to gather enough data with your original plan and you need to rework it, a lot. Sometimes you think of supplies or equipment that you didn't plan on needing and make several runs to the store.

I would recommend coming up with the idea now and starting the experiment at home. One of my DS's favorites was watering plants with water, milk and soda. Only one plant survived. He had to figure out what may have happened to the other plants (too much sugar, calcium, etc.). It was an interesting project that took 3 weeks to complete. Then he wrote the paper, made the display board, and had some nice, moldy plants to for his display.

It might sound fun to do a science project at WDW, but it would also be fun to get a lot of the work done ahead of time and enjoy the trip homework-free.:)

I completely agree with this. My son's science project was due last week and I would not have wanted to drag all the materials to do the experiment on vacation and bring it back.

However, out of all the suggestions made, I do like the one about melting Mickey bars. Although, it would be sad to watch them melt instead of eating them.

If you live in a cold climate, they could time how long it takes for an ice cube to melt at whatever the temp is in Florida vs. at your home. Humidity might make a difference, also, so you'd want to be able to measure that as well.
 














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