Across
- 3. It causes deterioration of the material / oxidation of metals in reaction with an oxidant such as oxygen.
- 4. the effect of tidal force generated by the moon gravitational pull
- 6. An effect of plate tectonics.
Down
- 1. the most popular and a strong heat and energy conductor.
- 2. the energy of an electric current is converted into heat as it flows through a resistance.
- 5. What makes a material turns to black when it's burned?