Rock (Encyclopedia Britannica School - Elementary).
Mineral (Encyclopedia Britannica School - Elementary).
Jewelry and gems (Encyclopedia Britannica School - Elementary).
Catalyst: How metamorphic rocks are formed (ABC Education, 2022) - short video.
Gemstones (National Geographic Kids).
Gemstones Primary Resource: Discover what crystals are and how they are formed (National Geographic Kids).
Rocks and Minerals (DK Findout!).
Earth Facts: Rocks and Minerals (Science Kids).
Earth Science for Kids: Minerals (Ducksters, 2022).
Minerals for Kids (Earth Science Museum, University of Waterloo).
Uluru: A Massive Rock in the Middle of Nowhere (Snelling, 2021) - Answers in Genesis Kids.
Riddle in the Canyon (Brady, 2020) - Answers in Genesis Kids.
Formation of the Grand Canyon (Lacey, 2018) - Answers in Genesis Kids.
Diamonds (Gem and Mineral Exhibits, 2017) - Answers in Genesis Kids.
Opals (Gem and Mineral Exhibits, 2017) - Answers in Genesis Kids.
How old are rocks? (Rocks Exhibit, 2016) - Answers in Genesis Kids.
When did canyons form? (Moving Continents Exhibit, 2016) - Answers in Genesis Kids.
Rocks & Minerals (Answers in Genesis).
Thirty Miles of Dirt in a Day (Snelling, 2008) - Answers in Genesis.
Rock Layers (Answers in Genesis).
What do you know about Earth? A Quiz (Ology) - American Museum of Natural History.
Rock Cycle Interactive (Annenberg Learner) - learn how to distinguish between types of rocks and discover how rocks change over time.
Children's encyclopedia of rocks and fossils by 
