Page 37 - Science class 4

High Order Thinking Skill (HOTS)

1. Rakshita has just bought an aquarium with fish in it. Which type of aquatic

plants–free-floating, fixed or submerged, should she put in the aquarium.
2. A cactus plant can grow in urban areas but a paddy plant cannot grow in

deserts. Why?

Learn ‘N’ Fun

Complete the following diagram :

Types of Plantsypes of Plantsypes of Plants
T T

A A
Aquatic Plantsquatic Plantsquatic Plants

Emergent
Em
U Underwater Emergent ergent
Underwater nderwater
Plants
Plantsnts
Plants
Pla
Plantsnts Pla
C Coniferous
Coniferousoniferous Evergreenvergreen
E Evergreen
Tr Trees
Tr Trees
Treesees Treesees
Insectivorousnsectivorous
Deciduous eciduous
D Deciduous I Insectivorous
Pla
Pla
Tr Trees Plantsntsnts
Treesees
Create Your Own World
1. Take a nature walk during the winter season and make a note of trees that shed
their leaves in winter.
2. Visit a pond or a lake with your teacher. Observe the different types of aquatic
plants.

Practical Approach

Divide the students into groups and give each

group a thick and a thin sponge. Ask them to put
each sponge in a dish. Tell the students to pour

equal amount of water over each sponge. Allow the
sponges to remain in the water for a minute or so.