Setting up the board…
Take your time — nothing here can go wrong, and you can always try again.
Ready?
Rock Types
Take your time — nothing here can go wrong, and you can always try again.
Full screen — no distractions
Frequently Asked Questions
- What is "Rock Types" and how do you play it?
- Rock Types is a free, interactive science game designed for 4th Grade students. Sort rocks by how they formed: igneous, sedimentary or metamorphic. It supports 1-4 player(s), takes about 20 min, and is rated easy difficulty.
- Is this game free to play?
- Yes — Rock Types is 100% free with no signup required. Just open the page and start playing instantly in your browser on any device.
- What age or grade level is this game for?
- This game is designed for 4th Grade students. The science content is curriculum-aligned for 4th grade level, making it a great supplement to classroom learning.
- Can my child play this game on a tablet or phone?
- Yes. All LittleActivity games work on any device — desktop, tablet, or phone. No app download needed; games run directly in the browser.
- What science skills does this game cover?
- Rock Types covers 4th grade science skills through interactive gameplay. It builds problem-solving, critical thinking, and subject fluency in a fun, no-pressure environment.
More 4th Grade Science Games
The Rock Cycle
Follow rocks as they change — put each journey through the rock cycle in order.
easy20 min
Rocks and Fossils
Read how fossils form and what they tell us, and tap the proof.
easy20 min
Body Systems
Wire each body system to the job it does.
easy20 min
Soil Conservation
Run a farm and choose the ways that keep soil from washing and blowing away.
easy20 min
Objects in Space
Wire each object in space to what it is.
easy20 min
The Water Cycle
Follow a drop of water on different journeys through the water cycle.
easy20 min