P.6 Model (1)

The idea of making thermometers is :..................

• Changing the gas volume with the changing of temperature.

• Changing the liquid volume with the changing of temperature.

• Changing mass of gases with the changing of temperature.

• a- Changing mass of liquids with the changing of temperature.

………. directs and coordinates all processes, ideas, behaviors and emotions.

• Cerebrum

• Cerebellum

• Brain

• Medulla Oblongata

Nitrogen molecule consists of …………..atoms of Nitrogen

• 2

• 3

• 1

• 4

An object whose weight is 20 Newton on earth, its mass is equal to..........

• 10 kg

• 200 kg

• 2 kg

• 20 kg

……….  is / are scarcely dissolves in water.

• oxygen gas

• nitrogen gas

•  $CO_2$  

• oxygen and nitrogen

All the following is the properties of mercury as a thermometric liquid except :

• Good heat conductor

• Given the limited extent to measure temperature

• Regular expanded material

• Doesn't stick with glass walls

The maximum and minimum graduation of the clinical thermometer is between:........

• 32: 42 0C

• 35: 45 0C

• 35: 42 0C

• 32: 45 0C