Grade 8 · Physics
This quiz helps revise “States of matter” in Physics for grade 8. It has 25 questions in five categories: Shape and Volume, Particles in Motion, Ice Changes, Water and Vapor, Heat and Change. Questions get harder as the points go up, from 100 to 500.
The 100- and 200-point questions are open here. The rest show only their first words, and there are no answers: all of that is in the game itself.
An ice cube keeps its shape when moved to another plate. What state of matter is it in?
Water keeps its volume but takes the shape of its container. What state of matter is it in?
Air spreads to fill…
In the gameWater pours from a…
In the gameA plunger reduces the…
In the gameWhat are the particles of water called when each contains hydrogen and oxygen atoms?
Particles in ice remain near fixed positions. What motion do they make around those positions?
A drop of dye…
In the gameWhat happens to the…
In the gameWhat is the repeating…
In the game
An ice cube in a warm room turns into water. What is this change called?
Water in a freezer turns into ice. What is this change called?
At ordinary air pressure…
In the gameDry ice vanishes into…
In the gameAn ice-water mixture gains…
In the game
A puddle slowly dries on a warm day. What is the escape of water from its surface called?
Invisible moisture in the air forms drops on the outside of a cold glass. What is this change called?
At ordinary air pressure…
In the gameWhat fills the large…
In the gameAir pressure is lower…
In the gameAn ice cube cools a drink as it turns to water. Where does the ice get its heat?
Some water in a sealed jar becomes vapor. What happens to the total mass of the jar and its contents?
A wet hand feels…
In the gameWhat units measure the…
In the gameTurning 1 kilogram of…
In the gameAll 25 questions and the answers are in the game. Invite your class or friends with a link — guests need no account.