WorksheetsScience Assessment
Total questions: 17
Worksheet time: 37mins
a) Water starts to boil at (a) oC.
a) The temperature at which water changes from liquid to a solid is called (a) .
a) (a) is used to keep sea food fresh.
a) Rotting of fruit is a (a) change.
(a) is used in making laughing gas.
Which layer of the atmosphere is closest to the ground?
mesosphere
stratosphere
troposphere
exosphere
The amount of water vapour in the air is called________
pressurre
mildness
humidity
greenhouse effect
Which layer contains the ozone layer?
mesosphere
stratosphere
troposphere
thermosphere
Which is the common name for the solid state of matter?
liquid
rain
steam
ice
Clouds are produced through the process called________
radiation
precipitation
condensation
evaporation
a) What are reversible and irreversible changes? Explain with examples.
a) How does water evaporate, when we spread our clothes to dry?
What is meant by water break? How water break affects organisms?
a) What are icebergs?
Explain changing states of water in everyday life?
What is greenhouse effect?
Write 2 uses of carbon dioxide.
