On plain paper, water spreads. On crayon-colored paper, water stays on the surface. This is because wax makes the surface waterproof, showing how some leaves and surfaces repel water to protect themselves. Class 5 Environmental Studies Grade 5 Chapter 1 Water-The ...
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Aquatic animals have fins, gills or webbed feet to live in water. Land animals breathe air and have legs. Water plants float or have long roots, while land plants stand firmly in soil. Class 5 EVS Textbook Our Wondrous World Chapter ...
Afreen and Jyoti observe tiny raindrops sliding down the glass during the rain. They are curious about where all the water comes from and where it goes, which begins their exploration of water. Class 5 EVS Our Wondrous World Unit 1: ...
A water-wise house or school would have rainwater harvesting systems, soak pits and rooftop gardens. It would use low-flow taps, reuse wastewater for gardening and have permeable pavements to let water seep into the ground. Class 5 Our Wondrous World Chapter ...
In forests, rainwater seeps into the ground, recharging groundwater. In cities, due to cemented surfaces, water flows away quickly, causing floods. Forests allow better water absorption than cities with concrete roads and buildings. Class 5 Our Wondrous World Chapter 1 Water-The ...