CLASS IIIscience

REVISION WORKSHEET 1

1.Look at the following figures and name the types of eclipse illustrated:

2.Match the following:-

AB

1.Stomata environment

2.Living and non living things accidents

3.Foggy and stormy daysbreeze

4. Slow moving airleaves

3.Fill in the blanks:(a)Animals cannot make their own....................(b)A baby plant grows from a..........................(c)Ice is the ...........................form of water.(d)Clouds form due to the process of ..............................(e)Flood is caused due to.............................of rain.4.Define the following: (a)Noise(b)Luminous object5.Give reasons for: (a)Cloudy days are cooler than days with clear skies.6.Answer the following: (a) Mention two things that force can do.(b) Write two ways by which you can reduce noise.7.Draw a neatly labelled diagram of water cycle.

ANSWER KEY WORKSHEET-11 Lunar eclipse2. 2 3 4 13. a) food b) seed c) solid d) condensation e) excess4.a) Unpleasant sound is called noise.eg. students shouting in the class. b) objects that give us light are called luminous objects. Eg. Sun, bulb etc.5. cloudy days are cooler because the clouds in the sky do not allow the rays of the Sun to reach us directly.6.a) Force can move an object, it can stop a moving object. B) we can reduce noise by - talking softly -watching television or listening to music at a low volume.

CLASS IIIscience

REVISION WORKSHEET 2

1. Tick the correct answer: (a)The movement of air is called (i)rain(ii)wind(iii)cloud(b)Gaseous form of water(i)ice(ii)steam(iii)rain(c) Any push or pull applied on a body(i)light(ii)sound(iii)force(d)Excess of rain causes(i)monsoon(ii)drought(iii) flood2.State whether the following statements are True or False: (a)Clouds are formed by evaporation. ( )(b)Steam changes back to water on heating. ( )(c)Light travels in a curved line. ( )(d)Fishes breathe through air holes. ( )3.Define weather.4.Give reason:-(a)It is difficult to travel on a foggy and stormy night5.Answer the following: (a) From where do moulds and mushrooms get their food?(b) When does a solar eclipse occur?

6.Write two differences between the following: (a)Evaporation and Condensation. 7.Draw neatly labelled diagram of Lunar Eclipse.

Answer key- 21. A) iib) iic) iiid) iii 2. a) false b) false c) false d) false3.Weather is the condition of the atmosphere of a place at a given time. Eg. Foggy and stormy weather.4. foggy and stormy weather can cause accidents that is why travelling is difficult.5. a) Moulds and mushrooms get their food from dead and decaying plants and animals. b) Solar eclipse occurs when moon lies in between earth and sun and shadow of moon falls on earth.6. Evaporation Condensation

The process by which water changes to water vapour on heating is called evaporationThe process by which water vapour changes to water on cooling is called condensation

Eg. Drying of clothesFormation of clouds.