NCERT CLASS VII QUIZ-AIR

Thermometer is used to measure

• Temperature

• Barometer

• Rain Gauge

• Wind Vane

__________ is the second most plentiful gas in the air

• Oxygen

• Carbon dioxide

Green plants produce oxygen during __________

• Carbon dioxide

• Photosynthesis

• Green house

TRUE OR FALSE Carbon dioxide is another important gas

• True

• False

TRUE OR FALSE When air is heated it expands

• True

• False

Which is the third layer of the earth

The standard unit of measuring temperature is____________

• Degree Celsius

• Fahrenheit

• Kelvin

Who invented degree Celsius

Our earth is surrounded by a huge blanket is called

Choose the other forms of precipitation

• Snow

• Sleet

• Hail

• Wind