Achiever Section provides the practice papers for the National Science Olympiad (NSO) for Class 3 in this article.
There are 15 important Science Olympiad questions for class 3 covered in this article. Throughout this practice paper, you will encounter a variety of questions.
Level 2 practice paper
1. Which of these houses is made up of canvas cloth?
A. Tent
B. Houseboat
C. Igloo
D. Bungalow
2. The bird that lays its eggs in the nest of a crow is ______.
A. parrot
B. woodpecker
C. pigeon
D. cuckoo
3. What does soil give to plants?
A. Nutrients and water
B. Seeds
C. Air
D. chlorophyll
4. Which part of the plant is called its food factory?
A. Fruits
B. Seeds
C. Flowers
D. Leaves
5. What does air contain?
A. water vapour
B. smoke
C. dust & germs
D. all of these
6. Water droplets that are too heavy to float make _____.
A. fog
B. clouds
C. rain
D. smoke
7. What force can do?
A. Move an object
B. Change the direction of moving object
C. Stop a moving object
D. All of these
8. Which of the following is the biggest unit of time?
A. second
B. hour
C. minute
D. all of these
9. Which one is a non-renewable source of energy?
A. wind
B. sun
C. water
D. coal
10. A teacher needs to show her students that the soil contains air. which of the following should she do?
A. Observe the soil under a microscope
B. Pour some water into a beaker containing soil
C. Heat some soil in a pan over stove
D. None of the above
11. ______an be used to make handles for a cooking pot.
A. iron
B. wood
C. gold
D. steel
12. Which of the following plants has a tap root?
A. rice
B. wheat
C. mustard
D. none of the above
13. ___ helps pump blood through the entire body.
A. Heart
B. Kidneys
C. Lungs
D. Brain
14. Which system of the body controls the senses?
A. Circulatory system
B. Digestive system
C. Nervous system
D. Skeleton system
15. When we see more than half of the moon, it is called ___.
A. New
B. Full
C. Crescent
D. Gibbous
ANSWER KEY
1.(A)
2.(D)
3.(A)
4.(D)
5.(D)
6.(C)
7.(D)
8.(B)
9.(D)
10.(B)
11.(B)
12.(C)
13.(A)
14.(C)
15.(D)
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