SECOND UNIT
EXAMINATION (20232024) SCIENCE
CLASS IV A/B
Fill in the blanks.
1. A
is a substance that dissolves in a liquid
2. Matter is made up of tiny particles called
3.
4. Particles in
occurs when a solid turns into a liquid on heating
are loosely packed
5.
habitat are ones that are found on land
6.
trees lose all their leaves once a year
7. Venus flytrap is an
8. We find spines on
plant
, a desert plant
True or False.
1. Plants that grow in marshy areas have breathing roots
Ans)
2. Underwater plants have stomata to help them breathe
Ans)
3. Parasitic plants Steal food from other plants
Ans)
4. Apple, Walnut, Almond trees have conical crowns
Ans)
5. Molecules in a liquid are not as tightly packed as in solid
Ans)
6. When a solid dissolves in a liquid, it forms a Solution
Ans)
7. Matter exist in nature in same forms
Ans)
8. Gases haves a fixed shape and a definite volume
Ans)
Choose the correct answer.
1. Which of the following is not a state of matter
(a)solid (b)sunlight (c) liquid (d) gas
Ans)
2. Particles are most tightly packed in
(a) liquid (b) solid (c)gas (d) all of the above
Ans)
3. Changing of water vapour into water is known as
(a) melting(b) condensation (c) evaporation (d)none of the above
Ans)
4. It can be poured from one container into another
(a)air (b)wood (c)water (d)none of these
Ans)
5. Which of the following is a Aquatic habit
(a)desert (b)plains (c)coastal areas (d)pond
Ans)
6. Which of the following is a natural habitat of pine trees
(a)plains (b)marshy areas (c) mountain (d) desert
Ans)
7. In lotus plant, stomata are present on the
(a)stem (b)underside the leaves (c)upper side the leaves (d) flower
Ans)
Match the following .
B
A
Trees lose all their leaves once a
year
Marshy areas
1
Mangrove
a
2
Coconut
b
3
Evergreen trees
c
4
Deciduous trees
d
Trees lose their leaves
throughout the year
Coastal areas
5
Solids
e
Particles are loosely packed
6
Gases
c
Particles are tightly packed
7
Freezing
d
Liquid into vapour
8
Evaporation
e
Liquid into Solid
Answer the following questions.
1. What is matter ?
Ans)
2. Define the term ‘condensation’?
Ans)
3. What do you mean by solvent?
Ans)
4. List two properties of Solid? Give an example
Ans)
5. How is a solution formed ? Give an example
Ans)
6. What are parasitic plants ?
Ans)
7. What do you mean by adaptation in plants ?
Ans)
8. How do underwater aquatic plants breathe?
Ans)
9. Define the term ‘ Natural Habitat of a plant’?
Ans)
10. What are terrestrial plants and aquatic plants?
Ans)