Science Worksheet

Practice the questions provided in the 3rd grade science worksheet to get the clear concept on all the topics we covered in third grade.

I. Put a tick (√) against the correct sentences and cross (X) against the wrong sentences:

(i) The moon is the brightest object in the sky.

(ii) Diamond is a soft rock.

(iii) The revolution of the Earth around the Sun causes different seasons.

(iv)When wind blows extremely fast, it is called the breeze.

(v) When the moon is invisible, it is called the new moon.

(vi) Most villages have many trees to clean the air.

(vii) Winter is the coldest season.

(viii) Water is found in four forms

(ix) Plants are useless in our environment.

(x) Sandy soil holds a lot of water.


II. Match the following:

(i) day and night                                   (a) growth of plant

(ii) soil                                                   (b) rotation of the Earth

(iii) revolution                                        (c) hot weather

(iv) summer                                           (d) movement of the Earth around t he Sun

(v) chalk                                                (e) breathing problems

(vi) polluted air                                      (f) a soft rock


III. Fill in the blanks using the given words:

    water, storm, jump, Clayey, drainage

(i) Do not ________ on desks in your classroom

(ii) A proper ________ system carries dirty water away from the house.

(iii) ________ keeps changing its form.

(iv) When the wind blows extremely fast, it is called a ________.

(v) ________ soil is used for making pots, etc.


IV. Define the following terms:

(i) soil profile

(ii) gale

(iii) water cycle


V. Answer the following questions:

(i) What is the difference between natural things and man-made things?

(ii) How do green plants make their food?

(iii) Can there be any plant without roots? What are the functions of the roots?

(iv) How do the flesh-eating animals also depend on plants?

(v) Which system is responsible for digestion of food?

(vi) What happens when water vapour comes in contact of a cool steel plate?

• Mixed Assignment

Science Worksheet

Science Review

Science Questions





Third Grade

From 3rd Grade Science Worksheet to HOME PAGE

New! Comments

Have your say about what you just read! Leave me a comment in the box below.


Recent Articles

  1. Respiratory Volumes and Capacities | Tidal Volume | Dead Space

    Aug 29, 25 05:17 PM

    Respiratory Volumes
    Explain respiratory volumes and capacities: Tidal Volume - Tidal volume is the volume of air inspired or expired in relaxed or resting position. Amount of tidal volume is about 500 m and it consists o…

    Read More

  2. Mechanism of Breathing | Definition of Inspiration and Expiration

    Aug 17, 25 11:41 PM

    Pressure in Lungs
    Breathing is the process which is accomplished in three states that is inspiration expiration and pause . Definition of inspiration - Entry of air into the lungs from outside during breathing is calle…

    Read More

  3. Human Respiratory System | External Nares | Nasal Cavity | Pharynx

    Aug 04, 25 03:14 PM

    Lungs
    Definition of respiration - This is the process of making energy available to organisms and their living cells through enzyme controlled catabolic breakdown of organic molecules. The organic materials…

    Read More

  4. Disorders of Digestive System | Symptoms of Jaundice | Vomiting |

    Jul 16, 25 12:18 PM

    Symptoms of Diarrhoea
    Jaundice- It is a disease that occurs due to Umesh discoloration of the skin due to deposition of bilirubin and biliverdin pigment. Jaundice can be offered according to the different position like pre…

    Read More

  5. Absorption of Digested Products | Absorption of Water | Nephrons

    Jul 09, 25 02:24 PM

    Villus
    Food and water is observed in different parts of the body and is distributed in different cells and tissues. Absorption of food is observed to be observed in the small intestine in the specific type o…

    Read More