Page 63 - ScienceStd4
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Results
When water reaches 100 °C (212 °F), it boils. This temperature
is known as the boiling point of water.
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Conclusion
The experiment showed that boiling point of water is 100 °C.
Revision exercise
Section A: Choose the most correct answer.
1. Below 0 °C water exist in a state known as _____.
(a) fluid
(b) steam
(c) ice
(d) gas
2. The state of matter that has definite shape and volume is
called _____.
(a) solid
(b) liquid
(c) plasma
(d) gas
3. Water can exist in three states of matter, which are _____.
(a) solid, gas and stone
(b) solid, ice and gas
(c) stone, air and ice
(d) solid, liquid and gas
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SCIENCE AND TECHNOLOGY STD 4.indd 56
SCIENCE AND TECHNOLOGY STD 4.indd 56 14/01/2025 18:38
