Page 34 - Science class 4
P. 34
Keeping Update
Paper was first made by the people of Egypt from a grass called Papyrus .
Paper got its name from this grass.
± Fodder for animals is obtained from such
plants.
± Various grasses are used to make paper.
± Bamboo, a giant grass, is used to make
brooms, baskets, mats etc.
± Dried grasses are used as packing
material.
± They conserve the soil as they hold the
soil with their roots and prevent soil erosion. Different types of plants
Quenching The Scientific Thirst
Quenching The Scientific ThirstQuenching The Scientific Thirst
Quenching The Scientific ThirstQuenching The Scientific Thirst
Quenching The Scientific Thirst
Quenching The Scientific Thirst
Quenching The Scientific Thirst
Quenching The Scientific Thirst
Quenching The Scientific Thirst
Quenching The Scientific Thirst
Quenching The Scientific Thirst
Climbers that grow in rain forests are called lianas. Some are as thick
and strong as ropes.
Scientific Terms
Adaptation : adjustment in a new living condition
Terrestrial plants : plants that grow on land
Aquatic plants : plants that grow in water
Fodder : food given to farm animals
Marshy : an area of soft wet land
Shallow : not deep
Stomata : small pores in the leaves
Chapter at a Glance
³ Plants grow in different shapes, sizes and forms all over the world.
³ Aquatic plants are plants that grow in water. They can be fully underwater, fixed,
free-floating or emergent.
³ Plants that grow on land are called terrestrial plants.
³ Insectivorous plants eat insects to get nutrition.
³ The desert areas have little rainfall, therefore fewer plants grow there.