About Rocks, Minerals and Volcanoes Quiz #835
Rocks, Minerals and Volcanoes Quiz #835 was the quiz for Thursday, October 15, 2026: 10 questions: 3 easy, 4 medium and 3 hard. Everyone who played Rocks, Minerals and Volcanoes Quiz that day got the same quiz, and it stays here to play for 60 days.
The questions of Rocks, Minerals and Volcanoes Quiz #835
- What is the moving of broken rock and soil away by water, wind or ice called?
- Japan's highest mountain, Mount Fuji, is what kind of mountain?
- Deep inside the Earth, what turns carbon into diamond?
- About how hot can freshly erupted lava be?
- Which clue first suggested that South America and Africa were once joined?
- What is a fast, deadly avalanche of hot gas, ash and rock down a volcano called?
- What is the way a mineral's surface reflects light, such as metallic or glassy, called?
- What is the Hawaiian name for smooth, ropy lava?
- Which span of time, from Earth's formation to about 539 million years ago, covers most of Earth's history?
- Which small plate is sliding beneath Vancouver Island and the Pacific Northwest coast?
The answer options and the answers appear only when you play the quiz, one question at a time.
New to Rocks, Minerals and Volcanoes Quiz? The rules, tips and common questions are on the Rocks, Minerals and Volcanoes Quiz page.
Other days of Rocks, Minerals and Volcanoes Quiz
- Rocks, Minerals and Volcanoes Quiz #838, Oct 18
- Rocks, Minerals and Volcanoes Quiz #837, Oct 17
- Rocks, Minerals and Volcanoes Quiz #836, Oct 16
- Rocks, Minerals and Volcanoes Quiz #834, Oct 14
- Rocks, Minerals and Volcanoes Quiz #833, Oct 13
- Rocks, Minerals and Volcanoes Quiz #832, Oct 12
- Today’s quiz, #851
Every day of the last 60 is in the puzzle archive.