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Pipes contract while water expands during freezing. This makes the pipes to burst.
chrispohmomanyi answered the question on September 28, 2017 at 12:30
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State any two factors that affect the earth's gravitational force.
Date posted: September 28, 2017. Answers (1)
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State three factors that affect the pitch of a stretched string.
Date posted: September 28, 2017. Answers (1)
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Explain what happens when a negatively charged polythene rod touches the cap of the positively charged electroscope.
Date posted: September 28, 2017. Answers (1)
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Define the term local action
Date posted: September 28, 2017. Answers (1)
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Explain why solids have definite shapes.
Date posted: September 28, 2017. Answers (1)
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Describe one method of determining the diameter of the oil drop
Date posted: September 27, 2017. Answers (1)
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State the principle of conservation of energy
Date posted: September 27, 2017. Answers (1)
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State any three ways by which power is lost in the transformer.
Date posted: September 27, 2017. Answers (1)
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Explain why transformers are used at generating stations to step up the voltage for transmission.
Date posted: September 27, 2017. Answers (1)
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Explain why soft iron core is more suitable than steel core for use in the electromagnet.
Date posted: September 27, 2017. Answers (1)
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Define the term work function.
Date posted: September 27, 2017. Answers (1)
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Define the term velocity and acceleration.
Date posted: September 27, 2017. Answers (1)
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Explain why water would boil faster at the mountain top than at the sea level.
Date posted: September 27, 2017. Answers (1)
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Explain why mercury does not wet the glass.
Date posted: September 27, 2017. Answers (1)
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Metals cannot be charged by friction. Explain.
Date posted: September 27, 2017. Answers (1)
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State three effects produced by an electric current.
Date posted: September 27, 2017. Answers (1)
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Explain why is it easier to open a metallic cap of a glass bottle by inserting it hot water.
Date posted: September 27, 2017. Answers (1)
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Define radioisotopes
Date posted: September 27, 2017. Answers (1)
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Explain how can a concave mirror be used as a shaving mirror
Date posted: September 27, 2017. Answers (1)
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State the principle of conservation of momentum
Date posted: September 27, 2017. Answers (1)