Answer :
Molecules in a gas cool down. As the molecules lose heat, they lose energy and slow down. They move closer to other gas molecules. Finally these molecules collect together to form a liquid.
Answer: Condensation happens when a molecule in a gas cools down. As the molecules lose heat, they also began to lose energy and slow down little by little. They move close to other gas molecules. Finally, once these molecules collect all together, it forms a liquid.
Hope this helps you, hon! :-)