What are ferrous metals?

• Metals that contain copper

• Metals that contain tin

• Metals that contain bronze

• Metals that contain Iron

Bronze is an alloy made by mixing

• copper and tin

• copper and iron

• copper and brass

• iron and carbon

Iron beads were first found in

• Al Ain

• Gerzeh -Egypt

• Muweilah

• Saruq Al Hadid

The process of purifying or producing metals based on their physical properties is called

During which year did Iron Age begin in the UAE

• 100BCE

• 1200 BCE

• 300 BCE

• 500 BCE

Falaj system is used for the purpose of

• irrigation

• metallurgies

• implements

• technologies

Gerzeh site is found in

• Persia

• Egypt

• UAE

• China

The process of loss of water from the leaves is called

• evaporation

• transpiration

• precipitation

• condensation

Write down three processes that occur for water to move through the atmosphere

• evaporation, transpiration, percolation

• evaporation, transpiration, condensation

• precipitation, transpiration, water vapour

• precipitation, evaporation, ground water

Gravity is mainly responsible for the flow of water in the

• Aflaj

• aquifer

• ground water

• water table