Year 3 · fifth unit
A cup is an object, and the glass it is made of is a material. The same cup differs according to what it is made from.

Choose an object, then drag a material onto the workbench. Some work and some do not.

Is there more of it now? Move stone, water and air from one container to another.

It is different with air inside and with water inside. Drag the plunger to push.

From here you can see inside
What comes next in middle school · states of matter and the motion of particles
It is the water you put in a container above. Magnify it enormously and there are tiny grains moving about. They are called particles.

This time, look inside. Change the state and raise the temperature.