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Science class 4 test

Total questions: 104

Worksheet time: 1hrs 20mins

Name
Class
Date
1.

substances that provide nourishment essential for the maintenance of life and for growth are called (a)  

2.

How much percentage of our body is made up of water (a)  

3.

–---------- Helps in digestion and keeps us hydrated

(a)  

4.

energy giving foods are called

a)

Vitamins

b)

Minerals

c)

Roughage

d)

Carbohydrates

5.

Tick mark the energy giving foods - carbohydrates

a)

fruits and vegetables

b)

milk

c)

bread

d)

nuts

6.

________ are also called energy giving foods

a)

fats

b)

carbohydrates

c)

dates

d)

Diet

7.

choose the fats producing foods

a)

curd

b)

nuts

c)

meat

d)

butter

8.

These food is needed by the body building muscles, growth and repair ___________

a)

nutrients

b)

water

c)

milk

d)

Proteins

9.

Tick the protein rich food

a)

fish

b)

cheese

c)

pulses

d)

meat

10.

protective food are known as

a)

roughage

b)

minerals and water

c)

vitamins and minerals

d)

all of the above

11.

Vitamins and minerals foods

a)

salt

b)

green leafy vegetables

c)

carrot

d)

none of the above

12.

Protective food are required by the body to fight against (a)  

13.

_______ helps in the formation of the blood

a)

Iron

b)

calcium

c)

protein

d)

fats

14.

(a)   helps to build strong bones and teeth.

15.

_______ is the fibrous part of the food which cannot be digested by a body

a)

Juice

b)

lime

c)

Fats

d)

Roughage

16.

A diet contains all nutrients in the right amount along with enough water and roughage is known as (A) (a)  

17.

A person becomes obese if he or she takes excess of this nutrient in his or her diet ---------------

a)

Carbohydrates

b)

Sugar

c)

Fats

d)

Proteins

18.

The process which is used to put out food for the action of germs so that it doesn't get spoiled is called

(a)  

19.

While we dry the grapes what we get

(a)  

20.

Why is the process of drying done

a)

To dry

b)

To remove the water content by drying

c)

To preserve them with sugar

d)

To preserve them with chemical

21.

While we dry the milk what we get (a)  

22.

Deep freezing or refrigeration is another method of ____________

a)

Canning

b)

Jellying

c)

Pickling

d)

Preserving

23.

Chemical preservatives are added to them to keep them fresh for a long time in which process

a)

Roughage

b)

Boiling

c)

Canning

d)

drying

24.

________ is mixed with jam and jelly to preserve them

a)

Salt

b)

Sugar

c)

Vinegar

d)

Lemon

25.

Oldest method of preservation (a)  

26.

________ and _______ are often boiled to kill germs that may be present in them.

a)

Juice and jellies

b)

Water and milk

c)

Butter and oil

d)

Sauces and ice creams

27.

The teeth grind the food we eat break it to __________

a)

Big particles

b)

Small particles

c)

Rock

d)

Calcium

28.

By the time of 2 and a half, the child gets its first set of teeth called ________

a)

Permanent teeth

b)

Milk teeth

c)

Child's teeth

d)

Temporary teeth

e)

Both b and d

29.

milk teeth start falling by the age of (a)  

30.

After the milk teeth fall down it is replaced by another set of teeth called the ____________

a)

Hard teeth

b)

Permanent teeth

c)

Small teeth

d)

Strong teeth

31.

A child has (a)   permanent teeth when he/she reaches the age of 12

32.

After the 28 permanent teeth are grown then in an adult another set of four teeth grow called ____

a)

Wise teeth

b)

Teeth

c)

Wisdom Teeth

d)

Adult teeth

33.

A permanent set of teeth contains (a)   teeth

34.

What is known as the tearing teeth

a)

Molars

b)

Pre Molars

c)

Canines

d)

Incisors

35.

Canines are how much in numbers (a)  

36.

Molars are how much in numbers (a)  

37.

Pre Molars are how much in numbers (a)  

38.

What is known as the cutting teeth

a)

incisors

b)

canines

c)

molars

d)

pre molars

39.

Incisors are how much in numbers (a)  

40.

______ part of the tooth we can see

a)

PULP

b)

CROWN

c)

DENTINE

d)

ENAMEL

41.

_________ IS THE OUTER WHITE PART OF THE TEETH

a)

CROWN

b)

PULP

c)

ENAMEL

d)

DENTINE

42.

________ is the hardest substance in our body

a)

Dentine

b)

Crown

c)

PULP

d)

Enamel

43.

______ cannot be repaired once damaged

a)

Teeth

b)

Enamel

c)

Crown

d)

Pulp

44.

_____ is the layer beneath the enamel

a)

dentine

b)

Pulp

c)

Root

d)

Teeth

45.

The (a)   is a soft layer and has blood vessels and nerve endings

46.

________ is the part lying inside the dentine

a)

Pulp

b)

Juice

c)

Blood

d)

Nerve

47.

(a)   is the central part of the tooth

48.

(a)   is the part which lies inside of the gums

49.

They form a sticky coat of a yellow layer called the ________

a)

Sugar

b)

Dental Plaque

c)

Coat

d)

decay

50.

Matter is made up of small particles called

a)

Molecule

b)

Element

c)

Compound

51.

Liquids can flow

a)

True

b)

False

52.

On heating , solid changes to

a)

Liquid

b)

Gas

c)

Solid

53.
a)

solvent

b)

solute

54.

solute + solvent =

a)

solution

b)

equation

55.

Solutes dissolve quicker in _________ water.

a)

cold

b)

warm

56.
The substance being dissolved in a solution.
a)
sands
b)
solute
c)
solvent
d)
alloy
57.
The substance in which a solute is dissolved
a)
sands
b)
solvent
c)
alloy
d)
negative particles
58.

Water is the univeral ____.

a)

solute

b)

solvent

c)

solution

59.

Which is the solute in this solution? Tea and honey.

a)

tea

b)

honey

60.
Which of these will flow and fill up any shape of container?
a)
solid
b)
liquid
c)
gas
d)
cats
61.
Is sand a solid, liquid or gas?
a)
Solid
b)
Liquid
c)
Gase
62.
Which of these is true?
a)
Solids hold their shape.
b)
Liquids hold their shape.
c)
Gases hold their shape.
d)
Penguins eat pineapples.
63.
Which of these is a liquid?
a)
Steam
b)
Ice
c)
Water
d)
Flour
64.
Milk is a _____. It can take the shape of any container that it is in.
a)
Solid
b)
Liquid
c)
Gas
65.
______ is an example of liquid water.
a)
Rain
b)
Water vapor
c)
Ice
d)
None of the above
66.
Ice cubes are the ___ form of water.
a)
Liquid
b)
Solid
c)
Gas
d)
None
67.
Solids __________.
a)
take the shape of their container
b)
have a fixed shape
c)
are compressible
d)
have particles that flow easily
68.
Water vapor is a __________.
a)
solid 
b)
liquid
c)
gas
69.

Does liquid have one solid shape

a)

no

b)

yes

c)

maybe

70.
What are the three states of matter? 
a)
boxes, solids, and gases
b)
square, circle and triangle
c)
solids, liquids and gases
71.

Water changes to ________________ on heating.

a)

ice

b)

water vapour

c)

water

d)

None of these

72.

The process of changing a gas to liquid is called __________

a)

Freezing

b)

Melting

c)

Evaporation

d)

Condensation

73.

In the process of evaporation__________________

a)

solid changes into liquid

b)

liquid changes into solid

c)

liquid changes into gas

d)

gas changes into liquid

74.
The glass in the first picture had the temperature shown.  About fifteen minutes later, it had the new temperature as shown in the second picture.  What happened to the glass during that fifteen minutes?
a)
Someone put the glass outside on a warm day.
b)
Someone put the glass next to a hot stovetop.
c)
Someone put the class in the freezer.
d)
Nothing happened to the glass
75.

The digestive process starts in the:

a)

Mouth

b)

Stomach

c)

Liver

76.

You can help your digestive system by:

a)

drinking water and eating healthy food

b)

reading about nutrition

c)

eating less

77.
What breaks food into smaller pieces?
a)
mouth
b)
tongue
c)
teeth
d)
large intestine
78.
What is the muscular tube that pushes food from the mouth the to stomach?
a)
tongue
b)
esophagus
c)
small intestine
d)
large intestine
79.
Which part of the digestive system is number 1?
a)
esophagus
b)
mouth
c)
small intestine
d)
liver
80.
Which part of the digestive system is number 2?
a)
esophagus
b)
stomach
c)
small intestine
d)
liver
81.
Which part of the digestive system is number 3?
a)
esophagus
b)
stomach
c)
small intestine
d)
liver
82.
Which part of the digestive system is number 4?
a)
esophagus
b)
large intestine
c)
small intestine
d)
liver
83.
Which part of the digestive system is number 6?
a)
esophagus
b)
large intestine
c)
small intestine
d)
liver
84.

The process of breaking down foods into smaller parts is called

a)

digestive

b)

indigestion

c)

digestion

d)

digging

85.

The oesophagus connects the ___ to the ___.

a)

mouth, small intestine

b)

teeth, mouth

c)

mouth, stomach

d)

stomach, liver

86.
Why do we eat food?
a)
To keep our stomachs full
b)
To put oxygen into the body cells
c)
To get nutrients and energy
d)
To make waste products
87.
A substance such as a fat, a protein, or a carbohydrate that a living thing needs to survive.
a)
saliva
b)
carrots
c)
nutrients
d)
minerals
88.

The mouth, teeth, and tongue _____ food.

a)

chew

b)

digest

c)

stomach

89.

The digestive system makes food into _____.

a)

water

b)

energy

c)

intestines

90.

The _____ makes food into a liquid.

a)

esophagus

b)

water

c)

stomach

91.
A long folded tube inside the body attached to the stomach where nutrients in the food are absorbed.
a)
large intestine
b)
small intestine
c)
esophagus
d)
rectum
92.
a)
pancreas
b)
esophagus
c)
stomach
d)
liver
93.
a)
esophagus
b)
liver
c)
stomach
d)
pancreas
94.
a)
large intestine
b)
small intestine
c)
rectum
d)
esophagus
95.

_____ is the part of food the body does not need.

a)

grow

b)

waste

c)

nutrients

96.

The _____ tastes food.

a)

teeth

b)

tongue

c)

stomach

97.

Microbes are _______________

a)

large organisms

b)

tiny organisms

98.

The disease causing microbes are called __________

a)

Germs

b)

Protozoa

c)

Both

d)

None of the above

99.

Microbes can be seen with naked eye.

a)

True

b)

False

100.

Diseases such as tuberculosis and typhoid are caused by __________

a)

bacteria

b)

fungi

c)

virus

d)

protozoa

101.

______________ are aquatic organisms.

a)

viruses

b)

protozoa

c)

algae

d)

bacteria

102.

___________ are used to change milk into curd.

a)

bacteria

b)

virus

c)

fungi

d)

none of the above

103.

A new born baby has______

a)

twenty teeth

b)

thirty teeth

c)

fifteen teeth

d)

no teeth

104.

We must brush our teeth at least _____ a day.

a)

once

b)

thrice

c)

never

d)

twice

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