Science Quiz

What is the term used to describe the weight of air that creates pressure on the Earth's surface?

• Conduction

• Corrosion

• Atmospheric pressure

• Equilibrium

What happens during the process of condensation?

• A gas turns into a liquid.

• A liquid turns into a gas.

• A solid turns into a liquid.

• A liquid vaporises.

Which term refers to the deterioration of metals that occurs on contact with liquids?

• Ductility

• Corrosion

• Malleability

• Hardness

What is the definition of ductility?

• The ability of a material to be worked without fracture.

• The ability of a material to resist wear and tear.

• The ability of a material to withstand distortion without fracture.

• The ability of a material to resist scratching, wear and tear, and indentation.

What does the term 'latent heat' refer to?

• Heat which causes a change of state in a substance, but does not affect its temperature.

• Heat which causes a material to resist wear and tear.

• Heat transferred by liquids and gases.

• Heat transferred by solids.

What does the pH scale measure?

• The density of a material

• The hardness of a material

• The acidity or alkalinity of a solution

• The speed of motion

What is the definition of non-ferrous metal?

• A metal which can resist high temperatures

• A metal which is liquid when heated

• A metal which does not contain iron

• A metal that undergoes permanent changes in shape

What is plasticity?

• The ability of a material to resist being pulled apart

• The speed of motion

• The degree of hardness of a material

• The propensity of a material to undergo permanent changes in shape

What is reduction in the context of producing metals?

• A stretching or pulling force

• A method of producing metals by removing the oxygen from the ore

• The degree of hardness of a material

• Opposing forces acting along parallel lines of action

What does relative density compare?

• The density of a gas to the same volume of air

• The density of a substance to the density of a standard substance under specific conditions

• The speed of motion to the volume of water

• The hardness of a material to the volume of air