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WorksheetsYear 5 Science Assessment (Singapore Syllabus)
Total questions: 20
Worksheet time: 10mins
What is the boiling point of water?
0 oC
50 oC
100 oC
200 oC
Which one of the following is not used for observing the temperature change in water?
thermometer
temperature sensor
data logger
sundial
How many states of matter are there?
1
2
3
4
According to the picture, which one of the following is true?
heat loss is happening
heat gain is happening
nothing is happening
the changes of states is from liquid to solid
Tom filled half a pot with water to boil.
When he stopped heating the boiling water, the pot was less than half full. Why?
Because some water has become steam
Because some water has become vapor
Because evaporation has taken place
Because condensation has taken place
Ming Ming saw a puddle of water on his way home in the morning. When he returned in the afternoon, he noticed that the puddle had disappeared. What happened?
The water of puddle had gained heat and changed into steam.
The water of puddle had lost heat and changed into steam.
The water of puddle had gained heat and changed into water vapour.
The water of puddle had lost heat and changed into water vapour.
Which one of the following is NOT the example of evaporation in our daily lives?
Raining
Wet clothes under the Sun will dry up
Wet floor will dry up after mopping
The loss of water in a glass after a week
What is the similarity between evaporation and boiling?
Both are heat gain processes
Both are heat loss processes
Both have boiling point
Both have melting point
Which one is true about evaporation?
It takes place throughout the liquid.
Bubbles are formed throughout the liquid.
The temperature of the remaining liquid remains the same during evaporation.
It takes place at any temperature.
Which one of the following factor does not involve in the drying up of clothes?
the condition of cloud
the temperature of the surroundings
the presence of wind
the surface area
Why does the bathroom mirror mist up after you take a hot shower?
Because of evaporation
Because of condensation
Because of boiling
Because of melting
Which one is a heat lost process?
I. Boiling
II. Melting
III. Evaporation
IV. Condensation
I & II
I & III
II & Iv
IV
What is the change of states for condensation?
gas ---> liquid
gas ---> solid
solid ---> liquid
liquid ---> gas
According to the picture shown, what caused the mist to form on the car window?
The cold surface of the car window
The hot surface of the car window
The warm surface of the car window
The dry surface of the car window
White mist that forms above boiling water is another example of ____________________.
boiling
melting
evaporation
condensation
The picture shows an experiment.
The water was boiled after sometimes and the water droplets were formed at the bottom of watch glass. Why?
Because boiling took place
Because condensation took place
Because evaporation took place
Because melting took place
As time goes by, and water goes through the water cycle again and again, the amount of water on Earth mostly ____________________.
increases
decreases
stays the same
goes up and down
The water cycle is Earth's way of ___________________.
getting rid of water
recycling water
chemically changing water
increasing the water supply
Where does the energy that powers the water cycle come from?
plants
animals
electrical outlets
the Sun
The water that was around when dinosaurs roamed Earth ____________________.
is gone and has been for a long time
is about halfway gone
is the same water we use today
is not the same water we use today
