WORKSHEET 1(fill in the blanks)
A. Fill in the blanks .
1.An electric cell has _________ terminals.
2.An electric cell has two terminals ________ and _________.
3.The bulb glows only when the ________flows through the circuit.
4.A simple device used to either break the circuit or to complete the circuit is called as __________.
5.The material that allows the electric current to pass through them are called ________.
6.The materials that do not allow electric current to pass through them are called ________.
7.Metal is an example of good ________ of electricity.
8. Rubber is one of an example of _______ of electricity.
9.A closed path through witch electric current flows is called ______
Ans 1)two 2)positive and negative 3)current 4)switch 5)Conductors 6)Insulators 7)Conductor 8)insulator 9)circuit
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WORKSHEET 2 (multiple choice questions)
B. Choose the best correct option in the following questions.
1. An object that emit out light of their own are called
a. Luminous object b.
opaque object c. translucent object
2.If we cannot see through an object at all it is an
a. opaque object b.
transparent object c. translucent object
3.object which partially allows light to pass through it are
a. translucent
object b. opaque object c. transparent object
4.When opaque objects come in the path of light it forms
a. shadow b.
reflection c. refraction
5.when light falls on an object and reflects back is called
as
a. refraction b.
reflection c. shadow
6.Glass is a
a. Translucent
object b. Transparent object c. opaque
object
7.stars are
a. Non luminous bodies b. luminous bodies c.
opaque bodies
8.light travels in
a. straight
line b .zig zag line c. parallel line
9.which of the following objects is non luminous object?
a. stars b. moon c .sun
10.card board is an example of
a. Opaque object b.
transparent object c. translucent object
Answers 1 a 6.b
2
.b 7.b
3.a 8.a
4.a 9.b
5.b 10.A
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WORKSHEET 3 (True or False)
C. If the given statement is true then write (T) and false
then write (f)
2.An electric cell has two terminals positive and negative.
3. The bulb glows only when electric current flows through it.
4.A closed path through which electric current flows is called electric circuit.
5.A simple device used to make the circuit complete is called as circuit.
6.A materials that do not allow electric current to pass through it are called as insulators
7. A materials which allow the electric current to pass through it are called as conductors
8.A materials which allows electric current to pass through it are called as insulators.
9.A rubber is good conductor of electricity.
10.A metal is good conductor of electricity.
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WORKSHEET 4 (Match the columns)
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WORKSHEET 5 (Answer the following)
Answer the following questions.
WORKSHEET 5 (Answer the following)
Answer the following questions.
1.Define luminous object.
2.Define luminous object and give one example of it.
3.why moon is called as non-luminous object?
4.Define opaque objects.
5.Give any two example of opaque objects.
6.what are translucent object? Give any two examples of it.
7.Define shadow.
8.what is reflection?
9.what are transparent objects?
10.why glass is said to be transparent object?
____________________________________________________________________________ Worksheet 6 (activity based worksheet)
Here are some objects you have to take torch and see that light is passing through it or not .List the objects accordingly in given table.
Objects-butter paper, card board ,glass, metal sheet,
transparent sheet, piece of cloth, plastic bag,
paper
paper
Light pass through object
|
Light does not pass through object
|
Light does not pass clearly through object
|
1.Define opaque objects.
2.Give some examples of opaque objects.
3.Define translucent objects. Give some examples of it .
WORKSHEET 7(flow chart)
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WORKSHEET 8 (jumbled words)
2.The object which emits light of their own is called inousmul object.
3.The object which allow light to pass through it such object is called as parentrans.
4.The objects which allows light to pass partially through it such object is called slucentrant object.
5.A dark area behind any opaque object where light cannot pass through is called owdhas.
6.when an light falls on an object and reflects back is called tionreflec
7.The objects which does not emit light of their own is called onn luminous object.
8.lassg is an example of transparent object.
9.Butter paper is an example of slucentrant.
10.Card board is an example of queopa.
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WORKSHEET 9
Solve the given puzzle on properties of matter
DOWN
1.Metals show the property because of which they are use in
ornaments
2.the materials which allows
light to pass through it are called
ACROSS
1.to rest or remain on the surface of liquid
2.matrials which can be
compressed easily are called
3.Materials which does not
dissolve in water is called
4.when you throw stone in water
what happens to it?
5.Butter paper is an example of which material
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WORKSHEET 10
GRAPH BASED WORKSHEET
Velocity of tree objects A,B,C with respect to time is given
in the table. Based on table answer the following question.
TIME t(s)
|
0
|
5
|
10
|
15
|
20
|
25
|
Velocity of A
|
0
|
10
|
5
|
15
|
20
|
25
|
Velocity of B
|
0
|
5
|
10
|
20
|
20
|
15
|
Velocity of C
|
0
|
20
|
25
|
25
|
5
|
5
|
1.Plot the velocity time graph for all the tree objects
A,B,C .
2.For time interval t=10s to t=15s which object has higher
velocity
3.For time interval t=20s to25s which object has lower
velocity
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