AmbifulWorksheets
Practice that never repeats
CBSE · Class 3 · Science

Living in Harmony

Standard difficulty · 20 questions · 40 marks · Time: 54 minutes

Name: Date: Score: ____ / 40

Show your working for Sections B and C. Answers are on the last page — try every question first!

Section A — Choose the correct answer8 × 1 = 8 marks
1.
Many trees grow by accident because squirrels:
  1. sleep in the branches
  2. water the plants
  3. eat all the leaves
  4. bury nuts and forget where they hid them
2.
How many legs does a lizard have?
  1. eight legs
  2. six legs
  3. four legs
  4. two legs
3.
Branches where birds build their nests: which gift of plants is this?
  1. medicine
  2. fibre
  3. wood
  4. shelter for animals
4.
Which animal often comes into our homes without being invited?
  1. a spider
  2. a parrot
  3. a goldfish
  4. a dog
5.
Which of these is a CARING thing to do for plants and animals?
  1. pour hot water on ants
  2. pluck flowers in a park
  3. leave a stray dog alone while it eats
  4. break branches to play with
6.
What do we get from a goat?
  1. honey
  2. silk
  3. eggs
  4. milk
7.
A farm has 4 hens and 4 goats. How many legs do they have in all?
  1. 16 legs
  2. 8 legs
  3. 24 legs
  4. 26 legs
8.
A squirrel buried 25 nuts and later found only 17 of them. The rest may grow into trees. How many nuts may grow?
  1. 9 nuts
  2. 17 nuts
  3. 42 nuts
  4. 8 nuts
Section B — Short answer8 × 2 = 16 marks
9.
Write three things we get from plants.
10.
How many legs does each have? (a) a spider (b) a parrot
11.
What do we get from (a) a goat (b) a hen?
12.
Write "pet" or "uninvited" for each: (a) a mosquito (b) a mouse
13.
Ravi puts out 6 handfuls of grain for the birds every day. How many handfuls does he put out in 2 days?
14.
In the ant test, 30 ants came to the sugar and 10 ants came to the papad. How many more ants came to the sugar?
15.
The children of a school counted 15 Grey Wagtails on Monday and 5 more on Tuesday. How many wagtails did they count in the two days?
16.
How many legs do 1 spider and 6 ants have in all? (A spider has 8 legs and an ant has 6.)
Section C — Word problems4 × 4 = 16 marks
17.
Choose an animal you see often. Describe how it looks, moves and sounds, and what it eats.
18.
A family has 6 hens, 1 cows and 3 dogs. (a) How many animals are there? (b) How many legs do they have in all?
19.
In an ant test, 29 ants came to the sugar, 9 to the fried papad and 9 to the cooked rice. (a) How many ants came in all? (b) Which food did the ants like most, and why do you think so?
20.
How do plants help us with each? Give an example. (a) fibre (b) shade
AmbifulWorksheets
Practice that never repeats
CBSE · Class 3 · Science

Answer key

Living in Harmony · AW-3S-HAR-2026-V1 · For parents — fold back or tear off before handing the sheet to your child.

QAnswerWorking
1(d) bury nuts and forget where they hid them—
2(c) four legs—
3(d) shelter for animals—
4(a) a spider—
5(c) leave a stray dog alone while it eats—
6(d) milk—
7(c) 24 legs4 × 2 + 4 × 4 = 8 + 16
8(d) 8 nuts25 − 17 = 8
9Any three: food, fruits, wood, medicines, fibre for clothes, shade, fresh air.—
10(a) eight legs (b) two legs—
11(a) milk (b) eggs—
12(a) uninvited (b) uninvited—
1312 handfuls6 × 2 = 12
1420 ants30 − 10 = 20
1520 wagtails15 + 5 = 20
1644 legs1 × 8 + 6 × 6 = 8 + 36
17A description covering looks, movement, sound and food.—
18(a) 10 animals (b) 28 legs6 + 1 + 3 = 10; 6 × 2 + 4 × 4 = 28
19(a) 47 ants (b) The sugar: most ants came to it, because ants love sweet food.29 + 9 + 9 = 47
20(a) cotton and jute for clothes, bags and ropes (b) cool places to rest on hot days—