Science Questions

Answer the 3rd grade science questions to revise the knowledge of the topics we learned in third grade.

I. Answer the following questions:

(i) How do most accidents take place?

(ii) What are the features of a good house?

(iii) How do animals differ in their eating habits?

(iv) Name the planet which has life on it.

(v) Which gas do we breathe in and which gas do we breathe out?

(vi) How do living things differ from man-made things? Name three natural living things.

(vii) Which part of the plant sucks water from the soil to supply different parts of the plant? Name its different kinds.

(viii) What is the different between a herbivore and an omnivore? Name three herbivores and three omnivores.

(ix) How and where do birds reproduce?

(x) Name the system which is formed with heart, blood and blood vessels. Which organ of this syte pumps blood to other organs?

(xi) What is deforestation?

(xii) How do birds fly? Name any two birds which cannot fly.


II. Name them:

(i) Pollution by exhaust fumes from factories and vehicles.

(ii) The hottest part of the Earth.

(iii) An automatic signal which controls road traffic through three colored lights.

(iv) The system by which heart sends blood to other parts of the body.


III. Fill in the blanks using the given words:

    house, omnivores, green, reproduce, feathers, skin, skeleton

(i) Only living things can _________.

(ii) Some plants do not have _________ leaves.

(iii) Dogs are _________.

(iv) Only birds have _________.

(v) _________ is the sense of feeling.

(vi) _________ gives our body a shape.

(vii) A good _________ should be clean, airy and safe.


IV. Match the following:

(i) kidneys                                           (a) insect

(ii) butterfly                                         (b) planting trees

(iii) afforestation                                 (c) blood purification

(iv) first aid                                         (d) flat broad part of the leaf

(v) leaf blade                                      (e) first help injured person needs

• Mixed Assignment

Science Worksheet

Science Review

Science Questions




Third Grade

From 3rd Grade Science Questions to HOME PAGE

New! Comments

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


Recent Articles

  1. Regulation of Respiration | Respiratory Centres | Inspiratory Area |

    Oct 14, 25 12:13 AM

    Regulation of Respiration
    Respiratory Centre is the area that controls the rate of respiration and it is observed to be located in medulla oblongata and pons. Respiratory Centre has the following will dispersed components like…

    Read More

  2. Explain Transport of Gases | External Respiration | Tissue Respiration

    Oct 09, 25 11:35 PM

    Gaseous Exchange in Alveolus
    In humans gaseous exchange is completed in the following ways the steps are - External Respiration or Breathing - Breathing in false taking in of Oxygen and giving out of carbon dioxide in the body. M…

    Read More

  3. Kind and Number of Teeth | Location of Teeth in Mouth | Care of Teeth

    Sep 11, 25 12:52 AM

    Milk Teeth or Temporary Teeth
    Kind and Number of Teeth

    Read More

  4. The Gaseous Exchange | Transport of Oxygen | Haldane Effect |

    Sep 10, 25 02:44 PM

    Bohr - Haldane Effect
    Oxygen carrying capacity of blood is 20 ml for 100m but 3% of dissolved in plasma and 97% of the oxygen combines with haemoglobin to form a loose reversible Complex called oxyhaemoglobin and is transp…

    Read More

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

    Sep 10, 25 02:46 AM

    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