I love teaching about maps and science/social studies. Here are some great resources I stumbled upon while researching this summer.
This gem from national geographic is interactive and very student friendly.
I didn't complete the whole game but it definitely scaffolds instruction for the students. It also nicely lends itself for a cross curricular lesson with coordinate planes and graphing in the first quadrant.
The second site is unfortunately loaded with ads, but still has a lot of good vocabulary for students.
I would use this with caution due to the ads, but this could definitely be adapted by taking the relevant information and putting it into a word document for student notes. That way, you can practice highlighting skills and note taking in addition to the science content.
This anchor chart does a great job at providing picture examples to go along with the vocabulary words.
This anchor chart goes great with the land forms kit I teach and is wonderful for ELL (English Language Learners) students.