Chapter 7: Energy—How Things Work Assertion-Reason Questions | Environmental Science - EVS Class 5 CBSE

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Chapter 7: Energy—How Things Work Assertion-Reason Questions | Environmental Science - EVS Class 5 CBSE | ByteNotes.in

Assertion-Reason

Easy difficulty • Check the statement and reason

Easy

Question 1

Logic Check

Assertion (A): Energy is what makes things move. Reason (R): Air rushing out of a balloon can push it forward.

Reasoning Options

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Assertion-Reason

Easy difficulty • Check the statement and reason

Easy

Question 2

Logic Check

Assertion (A): We feel tired when we are hungry. Reason (R): Food provides the energy we need to be active.

Reasoning Options

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Assertion-Reason

Medium difficulty • Check the statement and reason

Medium

Question 3

Logic Check

Assertion (A): Electricity can produce sound. Reason (R): A fan blows air to keep us cool.

Reasoning Options

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Assertion-Reason

Easy difficulty • Check the statement and reason

Easy

Question 4

Logic Check

Assertion (A): Sunlight is a source of heat energy. Reason (R): Water kept in the shade becomes very hot.

Reasoning Options

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Assertion-Reason

Medium difficulty • Check the statement and reason

Medium

Question 5

Logic Check

Assertion (A): LED bulbs are energy-efficient. Reason (R): LED bulbs use more electricity to give less light.

Reasoning Options

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Assertion-Reason

Easy difficulty • Check the statement and reason

Easy

Question 6

Logic Check

Assertion (A): Burning wood or coal creates pollution. Reason (R): These fuels release smoke when burned.

Reasoning Options

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Assertion-Reason

Easy difficulty • Check the statement and reason

Easy

Question 7

Logic Check

Assertion (A): You should never touch plugged-in electrical devices. Reason (R): Electricity can be dangerous if used carelessly.

Reasoning Options

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Assertion-Reason

Medium difficulty • Check the statement and reason

Medium

Question 8

Logic Check

Assertion (A): Wind energy is clean energy. Reason (R): Windmills produce smoke while making electricity.

Reasoning Options

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Assertion-Reason

Medium difficulty • Check the statement and reason

Medium

Question 9

Logic Check

Assertion (A): Traditional houses in India had small windows. Reason (R): Small windows helped keep the house cool in summer.

Reasoning Options

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Assertion-Reason

Medium difficulty • Check the statement and reason

Medium

Question 10

Logic Check

Assertion (A): Our brain uses energy even when we sleep. Reason (R): Energy is only needed when we are jumping and running.

Reasoning Options

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Assertion-Reason

Easy difficulty • Check the statement and reason

Easy

Question 11

Logic Check

Assertion (A): Vehicles like cars need petrol to move. Reason (R): Petrol is a source of energy for vehicles.

Reasoning Options

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Assertion-Reason

Medium difficulty • Check the statement and reason

Medium

Question 12

Logic Check

Assertion (A): Plucking a rubber band makes it vibrate. Reason (R): Vibration produces light energy.

Reasoning Options

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Assertion-Reason

Easy difficulty • Check the statement and reason

Easy

Question 13

Logic Check

Assertion (A): Solar panels generate electricity. Reason (R): Solar panels capture sunlight.

Reasoning Options

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Assertion-Reason

Medium difficulty • Check the statement and reason

Medium

Question 14

Logic Check

Assertion (A): Gharaats are used to grind grains. Reason (R): Gharaats use energy from flowing water.

Reasoning Options

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Assertion-Reason

Easy difficulty • Check the statement and reason

Easy

Question 15

Logic Check

Assertion (A): It is safe to fix electric boxes yourself. Reason (R): You should always tell an adult if something looks unsafe.

Reasoning Options

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Assertion-Reason

Hard difficulty • Check the statement and reason

Hard

Question 16

Logic Check

Assertion (A): Ancient ships used sails to move. Reason (R): Ships carried massive fans to make wind.

Reasoning Options

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Assertion-Reason

Medium difficulty • Check the statement and reason

Medium

Question 17

Logic Check

Assertion (A): We can still run even if we skip a meal. Reason (R): Our body stores energy for future use.

Reasoning Options

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Assertion-Reason

Hard difficulty • Check the statement and reason

Hard

Question 18

Logic Check

Assertion (A): Desert plants open only at night. Reason (R): This helps them save energy and water.

Reasoning Options

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Assertion-Reason

Medium difficulty • Check the statement and reason

Medium

Question 19

Logic Check

Assertion (A): Coal is a source of clean energy. Reason (R): Clean energy does not pollute the planet.

Reasoning Options

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Assertion-Reason

Hard difficulty • Check the statement and reason

Hard

Question 20

Logic Check

Assertion (A): Vaastu Shastra guides building design. Reason (R): It helps make the best use of sunlight and wind.

Reasoning Options

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Chapter sections

Chapter 7: Energy—How Things Work | Assertion-Reason

Assertion (A): Energy is what makes things move. Reason (R): Air rushing out of a balloon can push it forward.

Assertion (A): We feel tired when we are hungry. Reason (R): Food provides the energy we need to be active.

Assertion (A): Electricity can produce sound. Reason (R): A fan blows air to keep us cool.

Assertion (A): Sunlight is a source of heat energy. Reason (R): Water kept in the shade becomes very hot.

Assertion (A): LED bulbs are energy-efficient. Reason (R): LED bulbs use more electricity to give less light.

Assertion (A): Burning wood or coal creates pollution. Reason (R): These fuels release smoke when burned.

Assertion (A): You should never touch plugged-in electrical devices. Reason (R): Electricity can be dangerous if used carelessly.

Assertion (A): Wind energy is clean energy. Reason (R): Windmills produce smoke while making electricity.

Assertion (A): Traditional houses in India had small windows. Reason (R): Small windows helped keep the house cool in summer.

Assertion (A): Our brain uses energy even when we sleep. Reason (R): Energy is only needed when we are jumping and running.

Assertion (A): Vehicles like cars need petrol to move. Reason (R): Petrol is a source of energy for vehicles.

Assertion (A): Plucking a rubber band makes it vibrate. Reason (R): Vibration produces light energy.

Assertion (A): Solar panels generate electricity. Reason (R): Solar panels capture sunlight.

Assertion (A): Gharaats are used to grind grains. Reason (R): Gharaats use energy from flowing water.

Assertion (A): It is safe to fix electric boxes yourself. Reason (R): You should always tell an adult if something looks unsafe.

Assertion (A): Ancient ships used sails to move. Reason (R): Ships carried massive fans to make wind.

Assertion (A): We can still run even if we skip a meal. Reason (R): Our body stores energy for future use.

Assertion (A): Desert plants open only at night. Reason (R): This helps them save energy and water.

Assertion (A): Coal is a source of clean energy. Reason (R): Clean energy does not pollute the planet.

Assertion (A): Vaastu Shastra guides building design. Reason (R): It helps make the best use of sunlight and wind.

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