Natural Resources and Their Vital Role in Our Ecosystem

The video tutorial introduces Earth's natural resources, including sunlight, air, water, plants, soil, minerals, and fossil fuels. It explains the importance of each resource, such as sunlight for energy and plant growth, air for respiration, water for temperature regulation and health, plants for food and oxygen, soil for agriculture and habitat, minerals for building materials, and fossil fuels for energy. The tutorial emphasizes the necessity of these resources for life on Earth.

What is a natural resource?

• A synthetic material

• A man-made object

• A type of artificial energy

• Something found in nature used by people

Why is sunlight crucial for life on Earth?

• It is the main source of wind energy

• It helps in the growth of plants and production of oxygen

• It provides warmth to the oceans

• It is used to create artificial light

What role does air play in the survival of living organisms?

• It is essential for respiration

• It is used for photosynthesis in animals

• It is a source of food

• It is used to build shelters

How does water help regulate the Earth's temperature?

• By covering the land

• By absorbing sunlight

• By evaporating and forming clouds

• By reflecting sunlight

What is one of the key functions of plants in the ecosystem?

• They produce carbon dioxide

• They provide shelter for animals

• They release carbon dioxide

• They absorb oxygen

How do soils contribute to agriculture?

• By storing nutrients and water

• By providing sunlight

• By absorbing air

• By producing minerals

What are minerals primarily used for?

• Creating artificial plants

• Building materials and enhancing agriculture

• Generating wind energy

• Producing sunlight

What are the main fossil fuels?

• Coal, oil, and natural gas

• Biomass, ethanol, and biodiesel

• Wood, charcoal, and peat

• Solar, wind, and hydro

How are fossil fuels formed?

• By the crystallization of minerals

• By the photosynthesis process

• From the evaporation of water

• Through the decomposition of living organisms

What is a common use of natural gas in households?

• To heat water in solar heaters

• To power solar panels

• To cook food

• To generate wind energy