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Worksheet Solution: Light & Shadow - Notes | Study Science for Class 2 - Class 2

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Question 1: Tick (✓) the correct choice.

(i) This does not use electricity to give us light.
(a) Candle
(b) Tube light
(c) Bulb

Correct Answer is Option A.

The candle symbolizes light in the darkness of life, especially individual life.

(ii) The size of our shadow during the daytime
(a) remains the same
(b) keeps changing
(c) none of these

Correct Answer is Option B.

These changes are caused by the position of the light source. When we are outside on a sunny day, we can see how our shadows change throughout the day. The Sun's position in the sky affects the length of the shadow. When the Sun is low on the horizon, the shadows are long.

(iii) The shadow of a pole will be the shortest
(a) in the morning
(b) in the evening
(c) at noon

Correct Answer is Option C.

The shadow cast by a pole under the sun will be the shortest at 12 noon.

Question 2: Fill in the blanks.

  • A torch is a source of light.
  • Sun is the main source of light on earth.
  • The moon shines because of the light of the sun.

EduRev Tips:

  • Worksheet Solution: Light & Shadow - Notes | Study Science for Class 2 - Class 2
  • On Earth, the main source of natural light is the Sun. The Sun makes its light when atoms smash together inside it, releasing huge amounts of energy. It fires off the energy into space in all directions. 
  • The moon shines because its surface reflects light from the sun.


Question 3: Write T for true statements and F for the false ones.

  • At noon time, the shadow of an object is the shortest. True
  • The moon does not have its own light. True
  • We are not able to see properly in the absence of light. True

EduRev Tips:

  • As the Sun moves, light falls on the object at an angle. The bigger angle, the longer the shadow. At noon, the Sun is directly overhead. This makes the smallest angle with the objects and so creates the shortest shadows.
  • The moon shines because its surface reflects light from the sun.
  • We can see things when rays of light coming from any object reach our eyes. So, we cannot see in the dark because of the absence of light.

Question 4: Match the following.

Worksheet Solution: Light & Shadow - Notes | Study Science for Class 2 - Class 2

Worksheet Solution: Light & Shadow - Notes | Study Science for Class 2 - Class 2

Question 5: Answer the following questions.

(a) On what factor does the size of the shadow of an object depend?

The size and nature of shadow depends on the source of light and the position of the object with respect to the source and the screen.

(b) Write any three sources of light other than that you have read here.

Natural sources of light include the sun, stars, fire, and electricity in storms. There are even some animals and plants that can create their own light, such as fireflies, jellyfish, and mushrooms.

The document Worksheet Solution: Light & Shadow - Notes | Study Science for Class 2 - Class 2 is a part of the Class 2 Course Science for Class 2.
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