Students explore the attractions and motion of atoms and molecules as they experiment with and observe the heating and cooling of a solid, liquid, and gas.

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

By being heated from 32 to 212 , 1000 cubic inches of iron become 1004 1000 " water " 1045 1000 " air " 1366 Gases are ... in the other two conditions ot liquid and solid. The reason is, that ...

Solids, liquids and gases ... in ice, liquid water and steam look the same because they are all water, but in different states of matter. Why do we use the particle model in science?