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I gave my kids my old Acer dual cpu atom processor netbook. When they play minetest they get around 10 FPS. Is that normal? It has 2 gb of ram, windows xp, with a Intel 945GM Graphics card. If it should be faster any suggestions? I have disabled all of the option for fancy trees and such.

My kids have three of the old Acer Aspire One's with what appear to be those specs. They get 19-25 FPS depending on what they are looking at, and what view distance they have set.
But all three are using Linux and OpenGL drivers. Not sure if that is what makes them run better as they don't have Windows to compare it with.
Also the machines are playing as clients on our LAN server. I've never benchmarked on Singleplayer.

I was guessing on the FPS. I found that with F6 I can see that we are getting between 25 and 36 FPS. The problem is the FPS stays stable but the game is jumpy.

The graphics chip is not very powerful: http://www.videocardbenchmark.net/video ... ss&id=1083

I am getting about 30-50 FPS on my single core machine (Windows XP), so I wonder about the power settings of your laptop. Sometimes it's in a battery saving mode, it limits the maximal CPU and graphics chip usage.
Check the energy options in your control panel and modify some settings to see if Minetest gets more FPS.

I sometimes have Minetest running on an ooooooold 1.5ghz single-core laptop with Intel 852GM graphics and I can get 40fps at times if you add these lines to the minetest.conf file: