Hello Joan, welcome to the Forum!
I also believe you'll do fine with the kit zooms and a fast prime (is that a 50mm?) for low light. You can still dial up the ISO if needed, and use the zooms for most situations. If you plan on taking a lot of scenics, you might consider a lightweight travel tripod, too. Plus, spare battery and charger, spare SD cards, rocket blower and a polarizer.
I looked at your photo site, most of the shots are well-exposed, sharp focus and it's clear what the intent of the photo is. But, it seems like you're over-shooting each subject, getting 5 good shots when one great photo is all that's needed.
Remember, with a still photograph, you're stopping time. Not collecting it. Now, you can TAKE as many clicks as needed, but just pick one or two (of each subject) that tells the story.
Since you have time before the trips, I'd suggest starting here;
10 rules of photo composition (and why they work) | Digital Camera World
Then look up 'Rule Of Thirds" and study as much good photography, related to each trip, as you can. Try to figure out what lens setting (focal length and aperture) was used. Study the composition, framing, lines and structure of photos you like.
In addition to trying these "rules" (suggestions, really) out for new photos, also see if you have any file shots that can be cropped and processed using the compositional ideas you'll find on the link.
There's lots of settings and gear adjustments I could possibly recommend, but for now these suggestions on composition, subject placement, lines, balance and framing may help.
Good Luck!
Ron
Originally posted by joanjbberry 
Post #2 by dansamy
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