Form 2 General Science Quiz

When a solid changes directly to a gas, the process is called:

• Melting

• Freezing

• Sublimation

• Condensation

Which of the following best describes a chemical change?

• Temporary and reversible

• Permanent and reversible

• Permanent and irreversible with new substance formed

• Temporary and irreversible without new substance formed

What change of state is represented by condensation?

• Solid to liquid

• Gas to liquid

• Liquid to gas

• Solid to gas

The method used to separate a mixture of sand and water is:

• Evaporation

• Distillation

• Filtration

• Chromatography

In a saltwater solution, salt is the:

• Solute

• Solvent

• Solution

• Mixture

A mixture that settles over time and needs shaking before use is a:

• Colloid

• Suspension

• Solution

• Emulsion

A balanced diet is one that:

• Has no fats

• Has some carbohydrates

• Provides all nutrients in required amounts

• Excludes sugars

Which system transports nutrients and gases around the body?

• Nervous

• Digestive

• Respiratory

• Circulatory

The circulatory system is made up of:

• Lungs, heart, brain

• Heart, blood vessels, blood

• Arteries, trachea, alveoli

• Capillaries, lungs, arteries

When you inhale, which of the following happens?

• Diaphragm relaxes

• Rib cage moves down

• Rib cage moves up and out

• Air moves out of lungs