Matter in our surroundings class 9

Evaporation depend upon

• Exposed surface area

• Temperature

• Humidity

• Speed of wind

• All the above

If we keep cold drink bottle in freezer, the bottle will break

• True

• False

The physical state of matter depend on

• Temperature

• Mass

• Temperature and pressure

• Pressure

The common unit of measuring volume is

• Cubic meter

• Litre

• Kilogram

• Millilitre

1L=

• 1cm³

• 1dm³

• 1m³

• 1000ml

A driver is able to cut through water in a swimming pool. Which property of matter does this observation show

• Particles of matter have space between them

• Particles of matter are continuously moving

• The matter is made up of particles

• Particles of matter attract each other

Which produce more severe burns

• Boiling water

• Steam

Evaporation causes

Boiling is ____________ phenomenon

• Surface

• Bulk

Matter is made up of