CBSE Class 5 Science Practice Worksheet Set 4

Q. 1. Fill in the blanks.

a. Fishes breathe with the help of ___________________.

b. The seasonal movement of birds are called _________________.

c. The ____________system helps in movement .

d. The backbone is also called the _________________.

e. The ___________ is the largest part of the brain

f. Particles of a substance start vibrating faster on _______________.

g. Matter is composed of tiny particles called _____________.

h. Fire caused due to electrical faults is never put out using ____________.

Q. 2 State TRUE OR FALSE

a. There are seven main habitat on our planet. __________

b. Electrical faults can cause fire __________

c. Medulla is also called the brain stem. __________

d. .The spinal cord is made up of nerve tissue.. __________

Q. 3. Answer the following questions.

(i) What is cerebrum?

(ii) What do you mean by traffic signals?

(iii) How do polar bears withstand the cold of their habitat ?

(iv) What makes liquid flow ?

Q. 4 Draw the diagram of any one of the following

(a) Hinge joint or ball and socket joint

          or

(b) Reflex action

Q. 5 Give one word : 

(i) Ribs which are not attached to the sternum _______________

(ii) Insects breathe with help of tiny holes called _______________

(iii) Medulla is also called the _______________

(iv) Any substance that has mass and occupies space _______________

Q.1) Fill in the blanks

a. We need a ______ diet to stay healthy.

b. ________ can protect against diseases like Polio, Measles and Mumps.

c. The spread of _________ diseases can be prevented by keeping clean.

d. Polio and chickenpox is caused by ________.

e. Beri - Beri is a disease caused by the deficiency of _______.

f. The deficiency of iodine is called________.

g. _____ & ______ are rich sources of Iron.

h. Milk, Pulses & Fish are rich sources of ________.

i. Typhoid & Plague are caused by ______.

j. HIV is a virus that attacks the ________ system.

Q.2) Define:-

a. Deficiency diseases.

b. Communicable diseases.

c. Pasteurization

d. Vaccination

Q1 FILL IN THE BLANKS

1. The arrangement of __________ differs in different states of matter.

2. A molecule can be further broken down into still smaller units called _________.

3. __________ is the smallest unit of a substance that has all the properties of that substance .

4. Molecules are constantly __________ towards each other and always in a state of ______________.

5. All kinds of matter in the world are made up of about _________ kinds of atoms.

6. Potassium permanganate is ________ (soluble/insoluble) in water.

7. Two liquids that do not dissolve in each other are called_______________.

8. _____________ or ___________ brings about __________changes in matter.

9. There are many ___________ changes which keep on occurring inside our body all the time.

10.Water in the oceans, river and lakes contains dissolved ___________ and ______________.

11.Gases like ____________ and __________ dissolve in water.

12.Atoms of the same kind combine and form ___________________.

13.Atoms of different kinds combine and form ____________.

Q2) Differentiate between solids , liquids and gases.

Q3) Write 3 characteristics feature of a physical change.

Q4) Why bubbles are formed on the sides of vessel and at the bottom of the water when water starts boiling?

Q5) Say whether the following changes are physical or chemical

1. Changing of milk into curd.

2. Melting of ice.

3. Breaking of glass.

4. Mixing of salt in water.

5. Changing of wheat to chapatti

6. Burning of coal.

Q1 Answer the following .

a) Name the five layers of atmosphere.

b) Name the gases present in the atmosphere.

c) From where do animals get nitrogen.

d) Write the six properties of air.

Q2 Define

a) Evaporation

b) Distillation

c) Humidity

d) Atmosphere

Q3 Write three methods we should follow at home to purify water.

Q4 Fill in the blanks :-

a) Atmosphere retains ________ and blocks out the ___________.

b) Underground water from _______________ and _____________________ is usually free from ______________ and is safe to drink.

c) Insoluble impurities can be removed from water by ______ and ______________.

d) Soluble impurities can be removed from water by ______________ and by _____________.

e) Space shuttles moves about in _______________ layer.

f) Meteorites or the small rocks moving about in space burn out in _____________ layer.

g) Impure water contains many disease causing germs like those of _________ , ______________ and _______________.

h) __________________ crystals are added to wells for killing germs.

i) The atmosphere also prevents ____________ from hitting the surface of the earth.

Q5 Explain the process of Distillation.

Q6 Write the composition of air.

Q7 list the things when dissolved in rainwater makes it impure

Q-1 DEFINE

  a) Environment

  b) Migration

Q-2 Fill in the blanks

  1) Insects breathe through air holes on their body called ____________.

  2)_________ and ________ breath through gills.

  3)A baby frog or tadpole breathe through its _______ whereas an adult frog breath through____.

  4) ______, ______ and_______ breathe with the help of lungs.

  5) ______,_______and _______ have small and sharp front teeth they ______their fruit and seeds.

  6) In mammals with four limbs front limbs are called______ limbs and two at the back one called____ limbs.

  7) Fish have ______ for swimming and the ______,______helps to change the direction of movement.

  8) ______ use their flippers to push water and swim.

  9) Frogs have ______ feet to swim ,but on land they jump with their long ______.

  10) The Emu, ostrich ,rhea, penguin and kiwi are _______ birds.