1. As with all things teaching: Model, Model, Model. I have my own science journal (which you can see in the group of pictures), and I do (almost) everything they do in my own journal too.
3. Buy stock in the glue-stick of your choice, because you are going to buy a ton of it! Liquid glue just isn't a good idea for most things in the journal, because the pages will get stuck together if it gets too wet. If you do have to use liquid glue, like we did for these texture hands, do the page outside of the journal and let them dry overnight. Then have the kids glue the paper into their journal with their handy dandy glue stick the following day.
4. Use composition notebooks if at all possible...they don't fall apart.
5. I do make my own handouts for the students to fill out if they are doing discovery type stations, which are often not included in our district curriculum. We set the timer for them to explore and discover, and then when the timer goes off, they record their learning on a recording sheet. (There are examples of some I made for sound, light, and magnets in the pictures. If you click on the picture, you can download them.)
6. Nothing is too minor to go into a science journal. It is literally a journal of everything they learned in science for a year, so even if it's a picture of what weather means to them....put it in there!
Good luck with your science journals! I hope you love them as much we love ours!