Term 3 - Revision Natural Sciences Crossword

The semi-metal that lies to the left of phosphorus.
A classification system that is presented as a table or chart.
Scientist that developed the Periodic table.
The gas with the atomic number 7.
The metal with the atomic number 19.
The element that is part of the compound table salt with the symbol Na.
Is the only metal that is in liquid form at room temperature.
A fuel such as coal, oil or gas that has formed underground over millions of years from living material.
A source of energy that is limited in supply because it cannot be replenished quickly.
Metal used to create nuclear energy.
Nuclear powerstation in South Africa.
Is a biofuel in the gaseous state and it can be collected in a specially-designed landfill.
Energy stored in a system.
Unit of measurement for energy.
The energy that causes a change or movement.
The form of heat transfer that occurs between two objects.
The transfer of heat through convection currents.
Heat transfer that does not need direct contact.