Second Term Paper 01

Part I

(01) The process of producing energy by reacting stored food with Oxygen in the Organisms is,

(02) The ability of an object to the drawn into thin sheets without breaking by hammering is,

(03) The place of a magnet where the magnetic power more concentrated is,

(04) The water that dissolved many salts is,

(05) The answer which contains examples only for fossil fuel is,

(06) The percentage of water that can be consumed is,

(07) The matter that can be considered as an energy source is,

(08) Four Statements are given below that have been expressed by a child about few energies. What is the correct statement among them?

(09) The Physical Property of the powder is,

(10) What is the Parallel light beam?

(11) The most suitable energy to produce electricity in Sri Lanka is,

(12) What is the correct statement about water?

(13) The substance which can be used to identify the Carbon dioxide gas in exhaled air is,

(14) Why are plants known as autotrophs?

(15) What is not a movement of plants?

** Select the most suitable answer from the words given in below and put it in spaces from question 16 to 20.(Drag and drop)

(16) The things that occupy space and have a mass are _________
(17) The Organisms which depend directly or indirectly on plants are _________
(18) The media which light travels in regular manner is _________
(19) A vibration of an object causes to produce a _________
(20) The ability to do a work is _________

Part II

(01.) 

(A) Following image shows a setup prepared to prove that a work can be done by using energy.

(i.) Select the letter of the place of “Kudu lipa” / sawdust stove where it enters the fire?

(ii.) The fuel used in the Kudu lipa / sawdust stove is shown in the letter “B”. What is the most suitable thing for “B”?

(iii.) What are the two observations when boiling water in the Container?

(iv.) Select two energy sources that have been used in this system.

(B)

(i.) Select two physical states of water which can be identified in this process.

(ii.) What is the physical property of metal used in producing the tin?

(iii.) Select two pieces of equipment that need to be fixed to this propeller to produce electricity?

(iv.) Select an example of an instance of wastage of energy in your school.

(02.) Two simple activities are given below which are done to compare the characteristics between matter and energy.

These beakers are identical and they are completely filled with water.
Activity : The stone is gradually sunken in the water in A container.
The light of the torch is directed to the water in B Container.

(i.) What are the changes that take place of the water levels of A and B containers when starting these activities.
Beaker A

Beaker B

(ii.) Select the reasons for each observation. 

Beaker A

Beaker B

(iii.) Select the conclusion that can be obtained from those observations. 

(iv.) Select two examples for each matter and energy considering the stuffs used for this activity. 

Matter :

Energy :

(v.) Select other characteristics of matter except you identified before. 

(03.) Following diagram shows a simple activity based on light and vision.

(A)

(i.) What observation can be obtained when looking at the candle flame through the P.V.C. vessel? 

(ii.) Select the reason for that observation. 

(iii.) According to the traveling of light in which type of medium tissue paper is an example for?

(iv.) 

a) What will be the observation when replacing tissue paper by a Cardboard sheet? 

b) What is the reason for that? 

(v.) Select the instance where light is used in the medical field.

(B)

(i.) Select and put the suitable activities from above which involve to prove below characteristics of magnets. (drag and drop)

(ii.) Select examples for the equipment made by magnets which come across in the following places.

a) Laboratory  

b) Home 

(04.) Following diagram shows the two musical instruments which were made by the students of grade 6.

(i.) A student says that above instruments are sources of sounds. What is the reason for that?

(ii.) What is the observation you can obtain when you put some styrofoam balls on the bottom of the tin after it starts to function? 

(iii.) Select the names of the other two instruments that you have made in your classroom.

(iv.) What is the name of the sound produced when a musical instrument plays rhythmically?

(v.) What is the name of the sound produced when a musical instrument does not play rhythmically? 

(05.)

Following shows the chart of classification of matter.

(i.) Select the correct word for below blanks and put it in the box.(Drag and drop)

(ii.) Write an example for “D”. 

(iii.) Write the name of the instrument that you have to use to observe “D”. 

(iv.) Reproduction can be observed in ‘A’.

What is meant by reproduction?