Setting up the board…
Take your time — nothing here can go wrong, and you can always try again.
Ready?
Pollution
Take your time — nothing here can go wrong, and you can always try again.
Full screen — no distractions
Frequently Asked Questions
- What is "Pollution" and how do you play it?
- Pollution is a free, interactive science game designed for 4th Grade students. Power a city without choking it — watch the air change as you turn the dials. It supports 1-4 player(s), takes about 20 min, and is rated easy difficulty.
- Is this game free to play?
- Yes — Pollution 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?
- Pollution 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
Plant Processes
Give a crop the water, light and pollinators it needs to grow.
easy20 min
Renewable Energy
Sort energy sources: do they run out, or keep coming back?
easy20 min
States of Matter
Sort everyday things into solids, liquids and gases.
easy20 min
Simple Circuits
Test materials in a circuit: does the bulb light?
easy20 min
Forces and Motion
Decide what each push or pull is doing to the object.
easy20 min
Magnetism
Predict whether magnets attract, repel, or do nothing — then test each one.
easy20 min