1. Which type of rock forms when molten material cools?
Host answer
Igneous
Cooling magma or lava forms igneous rock.
Source: National Park Service: Rocks and minerals (checked 2026-09-26).
Classroom Trivia Questions
Eight classroom review questions about rock types, water and states of matter, with matching answers and source links. Use the two topic groups as a brief team review or exit discussion.
8 questions and answers · Free host and player sheets
Open the text file in your document editor to adapt or print it. No account is needed. Enter material manually in your chosen game; these files are preparation sheets.
Run the round
- Use four questions at a time and allow students to discuss their reasoning before submitting one team answer.
- After scoring, invite students to explain the process or property that identifies the answer.
- Give players the questions-only sheet and keep answers, explanations and source links in the host key.
- Accept equivalent scientific wording and let students pass. Read the explanation after each answer; use the results to choose a topic to revisit.
Scoring: One point per correct answer; zero for an incorrect answer or a pass. Maximum 8 points. Share a tied win.
Rocks and water
2. Which type of rock commonly forms from accumulated sediment?
Host answer
Sedimentary
Sediment can become sedimentary rock.
Source: National Park Service: Rocks and minerals (checked 2026-09-26).
3. Which rock type is changed by heat and pressure without fully melting?
Host answer
Metamorphic
Existing rock is altered in the solid state.
Source: National Park Service: Rocks and minerals (checked 2026-09-26).
4. What is water vapor becoming liquid called?
Host answer
Condensation
Cooling vapor can form liquid droplets.
Source: USGS: Water cycle glossary (checked 2026-09-26).
States of matter
5. What is the change from solid to liquid called?
6. What is the change from liquid to solid called?
Host answer
Freezing
Freezing converts a liquid to a solid.
Source: ACS: Freezing (checked 2026-09-26).
7. Which state takes its container's shape but has a nearly fixed volume?
Host answer
Liquid
Liquid particles stay close but move past one another.
Source: American Chemical Society: Molecules matter (checked 2026-09-26).
8. Which state expands to fill its container?
Host answer
Gas
Gas particles spread through available space.
Source: American Chemical Society: A gas (checked 2026-09-26).
Prepare here, play with your chosen game
Review the answers, keep the host key private and enter your selected material in the game you choose. The downloads do not create a live room or automatically transfer a question bank.
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FAQ
Do these rounds include answers?
Yes. Open each Host answer panel or download the private host key for complete answers and explanations.
Which sheet should I share?
Download questions only (TXT) for players. Keep the private host key and this answer-bearing page out of the shared player view.
Can I edit or print the questions?
Open either text download in your document editor, adapt it for your audience and print it. Check any facts or scoring you change before play.
Does the download create an online game?
No. These are preparation sheets. Enter your selected material manually in a compatible game and review that game's current account and access requirements.
Do I need an account to use this page?
No account is needed to read the material or download the host and participant text sheets. A separate live game may have its own account and access requirements.