Cruzadinha

Palavras horizontais

1. Resistance that happens when two surfaces rub against each other. (8)
3. The force that pulls everything toward the center of the Earth. (7)

Palavras verticais

2. Two types of actions that can move or stop an object. (12)
4. Invisible gas around us that we breathe and that fills balloons (3)
5. A strength or energy that causes motion or change. (5)