Tick on natural phenomena.

[Choose two answers]

• Formation of rainbow

• Driving a car

• Growth of a baby

• Construction of tall buildings

Choose the field of science that related to the statement below:

Study of energy and its effect on matter

• Biology

• Physics

• Chemistry

• Meteorology

Identify the equipment shown here:

• scale
• weighing device
• mass spectrometer
• triple beam balance

State the use of this apparatus.

• To measure temperature

• To accurately measure a specific volume of a liquid

• To provide a flame for heating substances

• To measure time

Name this science equipment that is used to measure mass.

• Electronic balance

• pH Meter

• Digital Thermometer

• Spectrometer

Diagram 1 shows four apparatus, J, K, L and M.

Which of the following apparatus can be used to measure the volume of liquids?

• J and K.

• J and L.

• K and M.

• L and M.

Diagram 3 shows a hazard symbol.

What is the meaning of this symbol?

• Poisonous.

• Irritant.

• Explosive

• Flammable

A chemical bottle has this hazard symbol. What is the definition of this symbol?

• The chemical is corrosive

• The chemical easily vaporises and is flammable

• Materials that emit radioactive rays

Meaning of the hazard symbol

• Flammable

• Corrosive

• Toxic

• Radioactive

• Irritant

If you see above symbol, beware of materials that can

• release fume that can hurt eyes, nose and throat.

• cause harmful radiation.

• cause poisoning and death if swallowed

• easily expolde.