Class four
Total marks 50
Subject science
Choose the correct option /10
1.A______ charge repel of positive charge
a.Positive. B. negative. C. neutral
2. Body temperature of warm blooded animals
A.remain same B. change. C. lose
3. Fish reptiles amphibians birds and ____ are vertebraes.
A. Mammals. B. Snail. C.warm
4. Alligator have
A. Narrow snout. B. Broad snout
C.long snout
5. A lamprey fish is a
A.Bony fish. B. Cartilaginous fish
C jawless fish
6. Rich animal does not shed it's skin A.snakes. B. lizard c.toad
7. Song travels the fastest in
A.gases. B. liquid c.solid
8. Bats find prey by using
A echoes B.sound vibration
C.sound movement
9. Which electricity can be produced by rubbing
A.cirrent. B.charges. C. heat
10. Opposite charge
Attract each other
Repel each other
Beat each other
Answer the following questions/2×10=20
1. What are fangs?
2. What is the difference between vertebraetes and invertebrates?
3. What do you know about hibernation?
4. How eclecticity is produced?
5. Do cartilage fisht have a backbone made of hard bone?
6. Which two charges attract each other?
7. What is meant by echo?
8. Define jawless fish?
9. Human or dog which have better capability of hearing sound?
10.
Answer the following long question/3×5=15
1. Write a note on fish?
2. Difference between reptiles and amphibians?
3.is sound can travel in water explain?
Activity/5
Class two
Subject science
Total marks 50
Choose the correct option/10
1.the spinach is kind of
A. Flower. B. root. C. leave
2. The brinjal and capsicum of
A.fruit B.vegetable. C. leaf
3. We can use electricity with
A. wire B.battery C.bulb
4. Example of solid is
A.milk. B. air. C. table
5. What are the three major States of matter
A. solid liquid gas
B.solid liquid wood
C.solid iron gas
6. It is made of metal called
A.tungsten. B. filament c.wire
7.a battery generates much_____ electricity
A.less B.more C.none
8.fire cook _____
A.wood B.food. C. rock
9. how many physical state of matter
A.1. B.2. C.3
10. Walnut is
A. dry fruit B.fruit. C. vegetable
Answer the following short question/2×10=20
1. Which is the biggest source of energy ?
2.what is filament and what is made of ?
3.define shoot ?
4.who invented the first bulb?
5. which is the biggest source of energy ?
6.where is electricity generated ?
7.name the two kinds of root ?
8.name that three kind of energy?
9. what is matter?
10. tell the three States of matter?
Answer the following long question 3×5=15
1.differ between tree and shrub?
2. how does a bird fly and elephant walk ?
3.write the properties of gas?
Activity/5
Write the names of any three liquid and solid?/2.5
Class 3
Subject science
total marks 50
Choose the correct option/10
1. Birds have ____bones filled with air.
A.sirong. B.hollow. C.narrow
2. A part of a planet sound the sun is an A.orbit B.road C.circle
3. It can live on land and in water
A. fish B.bird C.amphibian
4.a baby fish is called
A.fry. B. spy. C. toy
5. Which one gives of its own light
A.planet. B. moon. C. star
6. we taste with our ____.
A.skin. B. tongue. C.nose
7.the wall which separate the nostril of our nose is
A. taste bud B.sensory wall.
C. cartilage
8. the hottest planet of the solar system is A.Venus B.Saturn C.Mercury
9.the part of the eye where image form is A.iris. B. pupil c.retina
10. Bats can fly in the air they are
A.birds. B. mammals C.reptiles
Answer the following short question/2×10=20
1.How many kinds of feather does a bird have ?
2.which is the fastest planet from the sun ?
3.what is skin used for ?
4.what are the gills used for?
5. what do you know about retina?
6. what is constellation?
7. write the three features which are common to all reptiles?
8. how many sense organ human body have name them ?
9.name the parts of ear?
10. name the eight planets of the solar system?
Answer the long question/3×5=15
1.Write a note on eye?
2.write a note on fish ?
3.define satellite?
Activity of eye/5
