Recent questions tagged class 7

While connecting two cells, the ________ should be connected together.

asked Nov 7, 2017 by priyanka.c

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Cyclones are the mass of air that mostly rotates around the centre of _______

asked Nov 7, 2017 by priyanka.c

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Atmospheric pressure is exerted due to ________.

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Air occupies space?

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72 km/hr can also be expressed as

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The clock used to measure time during nights in the ancient period is called

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What is the freezing point of water?

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In coastal areas the warm air from the land rises up and the cold air from the sea move towards the land, this is termed as

asked Nov 7, 2017 by priyanka.c

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What is the reason behind the fact that cold air sinks and hot air rises up?

asked Nov 7, 2017 by priyanka.c

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Which of the following is not a spherical mirror?

asked Nov 7, 2017 by priyanka.c

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The images created by plane mirrors are ________.

asked Nov 7, 2017 by priyanka.c

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Which of the following is not property of light?

asked Nov 7, 2017 by priyanka.c

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What is generated when an electric current is passed through a conductor?

asked Nov 7, 2017 by priyanka.c

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The electric current flows through a conductor only when a ______ is formed.

asked Nov 7, 2017 by priyanka.c

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The components of an electric circuit is connected using _______.

asked Nov 7, 2017 by priyanka.c

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The instrument used to measure the speed and direction of wind is called as ______ .

asked Nov 7, 2017 by priyanka.c

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Which layer of atmosphere consists of the ozone layer?

asked Nov 7, 2017 by priyanka.c

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When compared to wet lands, arid regions have ________ moisture?

asked Nov 7, 2017 by priyanka.c

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The oscillation rate of a pendulum varies when

asked Nov 7, 2017 by priyanka.c

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Which periodic event would you use to measure a month?

asked Nov 7, 2017 by priyanka.c

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The rate at which an object changes its position is called as _______.

asked Nov 7, 2017 by priyanka.c

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What happens to the atoms when there is an increase in the temperature of a matter?

asked Nov 7, 2017 by priyanka.c

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The piezoelectric crystal used in modern clocks is called as

asked Nov 7, 2017 by priyanka.c

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The flow of air from high pressure over the sea to low pressure over the land is termed as

asked Nov 7, 2017 by priyanka.c

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Hot air always travels from ________ .

asked Nov 7, 2017 by priyanka.c

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Why does the sky appear blue during noon?

asked Nov 7, 2017 by priyanka.c

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Change in direction of light upon striking a surface is called as ________.

asked Nov 7, 2017 by priyanka.c

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Why do lights in the lighthouse rotate?

asked Nov 7, 2017 by priyanka.c

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What does a current carrying conductor experience when in a magnetic field?

asked Nov 7, 2017 by priyanka.c

1 answer

The accumulation of electric charges on the surface of an insulator is called as _______.

asked Nov 7, 2017 by priyanka.c

0 answers

The accumulation of electric charges on the surface of an insulator is called as ______.

asked Nov 7, 2017 by priyanka.c

1 answer

What is the protruding end of a AA cell represent?

asked Nov 7, 2017 by priyanka.c

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Cyclones are characterized by ________.

asked Nov 7, 2017 by priyanka.c

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What is the instrument that is used to measure the humidity of a place?

asked Nov 6, 2017 by priyanka.c

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What is the composition of gases in the atmosphere?

asked Nov 6, 2017 by priyanka.c

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Which of the following is a vector quantity?

asked Nov 6, 2017 by priyanka.c

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Objects moving in a straight line with varying speed is said to be in _____.

asked Nov 6, 2017 by priyanka.c

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The distance covered by a vehicle can be measured by ________ meter.

asked Nov 6, 2017 by priyanka.c

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The occurrence of wind, rain is ________ on the gradient of uneven heating on various regions.

asked Nov 6, 2017 by priyanka.c

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There are two jars in which one is filled with hot air and the other one with cold air. Now the jar with cold air is inverted and placed right on top of the jar with hot air. What will happen immediately?

asked Nov 6, 2017 by priyanka.c

1 answer

Which of the following are good conductors of heat?

asked Nov 6, 2017 by priyanka.c

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When the wind speed increases the air pressure is _______.

asked Nov 6, 2017 by priyanka.c

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Why is it difficult to ride a bicycle against the direction of wind?

asked Nov 6, 2017 by priyanka.c

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A new substance is formed during a physical change of a particular substance.

asked Nov 6, 2017 by priyanka.c

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What is the process of seeping of water into the ground called?

asked Nov 6, 2017 by priyanka.c

2 answers

The amount of heat produced in a wire connected to electric supply is due to ______.

asked Nov 6, 2017 by priyanka.c

1 answer

Why is it that the temperature in the tropical region generally hot?

asked Nov 6, 2017 by priyanka.c

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The image formed by a concave mirror is ________ than the object itself.

asked Nov 6, 2017 by priyanka.c

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How will the reflection on a plane mirror be?

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Which travels faster?

asked Nov 6, 2017 by priyanka.c

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