Page 129 - Volt Elevate The World Around Us Book 4

Educationalonal Goals Goals
Educati Kno
Knowledge Checkpointswledge Checkpoints
By the end of the chapter, the learners will be able to observe • The Day Sky
and explain changes in the day sky, understand the role of
the sun in creating shadows, identify the phases of the moon • The Night Sky
and features of the night sky, develop awareness about India’s • India’s Chandrayaan Mission
Chandrayaan mission, and show curiosity about astronomy
and space exploration.

Chapter 13: Water
This chapter focuses on water as a vital resource. Learners will learn
about the different sources of water such as rivers, lakes and rain, as
well as man-made systems like dams, reservoirs and canals. The water
cycle is explained in detail to show how water is constantly reused in
nature. The chapter also covers scientific concepts like weight, mass and
density of substances, and how they affect floating and sinking in water.
By studying this chapter, learners will understand water’s importance,
its uses and the science behind it.

Knowledge Checkpointswledge Checkpoints
Educationalonal Goals Goals
Educati Kno
By the end of the chapter, the learners will be able to identify • Sources of Water
different natural and man-made sources of water, explain the • Dams, Reservoirs and Canals
function of dams, reservoirs and canals, describe the steps of • The Water Cycle – Evaporation and
the water cycle, understand the concepts of weight, mass and Condensation
density, and demonstrate why some objects float and others • Materials around Us
sink in water. • Floating and Sinking in Water

Chapter 14: Waste Management
This chapter teaches learners about different types of waste, i.e.
biodegradable, non-biodegradable, hazardous and sanitary waste. It
stresses the importance of separating waste before disposal. The concept
of waste management is explained through the 5 R‘s – Refuse, Reduce,
Reuse, Repurpose and Recycle. The recycling of paper is described in
detail to show how old paper can be reused to save trees. Learners learn
to think critically about their daily habits and take responsibility for
keeping their surroundings clean and safe.

Educati
Educationalonal Goals Goals
Knowledge Checkpointswledge Checkpoints
Kno
By the end of the chapter, the learners will be able to identify
different types of waste and their effects on the environment, • Waste
practise waste separation at home and school, explain the • Separation of Wastes
5 R’s of waste management with examples, understand the • Waste Management
process of recycling paper, and develop responsibility towards • Recycling of Paper
reducing waste and protecting nature.

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