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Can I use decaying wood dirt too? I can't use sand.
Yes, you may use decaying wood dirt. In the wild, pill bugs feed on decaying wood.
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I'm an eleven-year-old bookworm of a boy. How do I get an eleven-year-old science-nerdy girl to like me?
Start reading more science-related books. A good way to start a conversation is by asking her to confirm a science fact. If you are at the same school, get help...
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How could I turn this into a science fair project?
You could use the roller model to demonstrate kinetic and potential energy. You could also test different brakes/launches and see which one is the best for different speeds!
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Can’t I use cardboard? And if it rips, can I still use it?
No, you cannot use cardboard because that will not fold. If it rips a bit, then it should be fine, but if it's larger than about 1/8 of the length...
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Do I need a background in computer science to learn cryptography?
You don't need computer science to learn it, but you do need it for most modern practical uses of cryptography. Knowledge in math and logic might be needed to learn...
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Can I use a small cast iron pot instead of the fondue pot and can I use a tea candle to keep the oil hot, or should I use a gas stove?
I don't think you should use a cast iron pan but it could work if you are desperate. I would definitely use a gas stove.
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How do I make a spiral notebook for science?
Get a bunch of papers or however many you need -- I'd recommend 100 sheets. Then get two pieces of cardboard that are the same size as your papers and...
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How many hours should I study for a science test?
Even committing 30 minutes every day can help you get into good study habits.
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