Vocational Aptitude Grade 4

Physical objects held in the hand to perform specific task are called __________

• Materials

• Tools

• Instruments

• Utensils

Substances from which other things can be made are called

• Materials.

• Tools.

• Instruments.

• Equipment.

A place where metals are extracted is called

• Furnace.

• Field.

• Ore.

• Refinery.

The study and act of getting metals from ore in rock is called

• Metallurgy.

• Smelting.

• Casting.

• Metallurgist.

A liquid metal used in clinical thermometers is called

• Uranium

• Quick silver

• Mercury

• Nickel

When metals lose their brightness it is called

• Smelting

• Casting

• Tarnishing

• Melting

The class of metal that contains iron is called

• Ferrous metal.

• Non-ferrous metal.

• Iron metals.

• Zinc metals.

Metals that are formed by mixing two or more metals together are called

• Alloys of metals

• Residue of metals

• Pure metals.

• Metal mix.

The process of extracting metals from the ore through heating and melting is called

• Casting.

• Smelting.

• Melting.

• Extracting.

A metal that is commonly used for electrical connections is _______

• Lead

• Iron

• Copper

• Zinc