Subject: Science Time: 3 hours
Broadening Horizons
Grade level: 04
Question
No. 1: A. Encircle the correct options. (10)
i.
The sticky material deposited on the
teeth is called:
(saliva, pulp, plaque, acid)
ii.
Which organ helps in digestion of food?
(bone, stomach, lungs, skin)
iii.
The loudest sound among given sounds is;
(human
voice, horn of car,
whistle of train, chirping of birds)
iv.
Butter is a: (carbohydrate, protein, fate, mineral)
v.
To change the shape of a body needs:
(time, force, speed, distance)
vi.
A desert is an example of:
(land
environment, water environment, air
environment, none of these)
vii.
The bulb of thermometer is filled with:
(water, oil, alcohol, gas)
viii.
An animal that eats other animals is
called
(herbivore, carnivore, omnivore, decomposer )
ix.
The process in which gas changes into
liquid is called
(freezing, condensation, melting,
boiling)
x.
Production of young one by a living
thing is called:
(respiration, excretion, reproduction, non of these).
B. Match column A with column B. (10)
Column A Column
B
Heat boy
Gas form
steam
Living
thing form
liquid
Force cover the body
Thermometer oxygen
Celsius scale temperature
Boiling water 100 equal
divisions
Cooling
water energy
Heating a solid form
ice
Skin distance
and time
C: Fill in the blanks. (10)
i.
Heart lies in the centre of ______________.
ii.
A cater pillar change into_____________
.
iii.
From our____________ we inherit
characters.
iv.
Glucose is a_________________.
v.
The process of producing young ones
by animals is called _____________.
vi.
Dengue fever is spread by
________________.
vii.
Plants are called
___________________ because they prepare food.
viii.
The earth is _________________ in
shape.
ix.
We normally breathe________________
times per minute.
x.
Pons is an example of
_______________ environment.
Question No. 2: Answers to any ten of
the following questions. (10×3=30)
1.
Why are joints necessary in our
body?
__________________________________________________________________________________________________________________________________
2.
What is growth?
________________________________________________________________________________________________________________________________
3.
Write down any two functions of
stomach.
__________________________________________________________________________________________________________________________________
4. What
do you mean by tooth decay?
__________________________________________________________________________________________________________________________________
5. Define
food pyramid.
__________________________________________________________________________________________________________________________________
6. Name
a drink which is prepared by a solid, liquid and gas.
__________________________________________________________________________________________________________________________________
7. Why
is there a constriction just above the bulb in a clinical thermometer?
__________________________________________________________________________________________________________________________________
8. Give
two examples of pleasant and one unpleasant sound.
_____________________, _______________________,
___________________
9. Define
a simple circuit.
__________________________________________________________________________________________________________________________________
10. What is meant by an orbit?
__________________________________________________________________________________________________________________________________
11. Write the names of three solid things present
in your classroom.
______________________,
_____________________, ___________________
12. What is balance diet?
__________________________________________________________________________________________________________________________________
13. How does blood reach other parts of the body
from heart?
__________________________________________________________________________________________________________________________________
Question
No. 3: Write down the functions of Skelton and draw is
diagram. (10)
Question No. 4:
Enlist any five characteristics of living things. (10)
Question No. 4: A. write a short
note on the life cycle of honey bee. (5)
B. Draw a simple food chain. (5) Question No.5: A. How solid, liquid and gaseous states of
matter are identified? (5)
B.
what is temperature? Explain. (5)
Question
No. 6: How is sound produced. Describe the effects of noise on human health. (10)
Broadening Horizons