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Write a note on orbits of artificial satelites?

asked Nov 27, 2018 in Science by danish (1.0m points)

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Design a activity to make an optical instrument using mirror?

asked Nov 27, 2018 in Science by danish (1.0m points)

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Draw ray diagrams for light reflected from a plane mirror at different angles of incidence?

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Why do the words "Shake well before use" on a bottle of medicine indicate that the medicine is a suspension?

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What is electricity?

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Potential energy changes into kinetic energy when a diver dives.

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Explain the law of conservation of energy?

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Describe how motion in a system of pulleys of different sizes is transferred to motion in an other system of various gears in the same structure

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Write about at least three renewable sources of energy in detail?

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How wheel and axle are used in our daily life?Give at least three used.

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Write the use of many energy converters in our daily life.

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Explain the importanece of energy in improving the quality of life.

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Investigate with the help of an experiment the effort required by different gear systems to lift the same load?

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What do you know about cactus?

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Differntiate herbivores and carnivores

asked Nov 26, 2018 in Science by danish (1.0m points)

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Explain uses of common mixtures in daily life.

asked Nov 26, 2018 in Science by danish (1.0m points)

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Describe that living things depend on one another for food, shelter and protection.

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Describe with the help of an experiment to separate soluble from mixtures.

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Write safety measures to conduct science experiments.

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What do you know about sublimation and distilation?

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