Air and Water: Essential Resources

Air

• Air, vital for life, surrounds us, yet is invisible due to its lack of color, smell, shape, and taste.
• The movement of air, known as wind, is perceptible and causes effects like the swaying of trees.
• The movement of a fan creates a sensation of air.
• Wind facilitates the drying of clothes.

Uses of Air

• Breathing is essential for both plants and animals, requiring air.
• Air inflates items such as balloons, footballs, and bicycle tires.
• Airplanes, balloons, and kites rely on air for flight.
• Sailboats are propelled by air over water.
• Combustion requires air to sustain fire.

Water

• Water is as vital as air for all living organisms.
• Water, like air, lacks color, shape, smell, and taste
• Water has numerous essential applications.

Uses of Water

• Consuming water is crucial for hydration and survival.
• Water is indispensable for cooking.
• Bathing necessitates water.
• Cultivating food relies on water.
• Water is used for cleaning vessels.
• Water is essential for washing clothes.

Sources of Water

• Water is available from rivers, lakes, ponds, and wells.
• Rainwater replenishes these natural reservoirs.
• Water is purified and then piped to homes.
• Taps provide water within homes.

Importance of Cleanliness and Conservation

• Inhaling clean air and drinking clean water are critical for maintaining health.
• Clean surroundings are essential for ensuring the purity of air and water.
• Conserving water is important, especially in areas where it is scarce and requires long journeys to obtain.

Key Vocabulary

• Wind: Moving air

Summary Points

• Air is all around us.
• The movement of air can be felt, even though it is invisible.
• Air is essential for breathing along with other functions.
• Water is a necessity for sustaining life
• Water comes from sources like rivers, lakes, ponds, and wells.
• Clean air and water are crucial for maintaining a healthy life.