G8-PHY-L3 Coal and petroleum

What are natural resources?

• Materials obtained from nature
• Materials created by humans
• Materials found in laboratories
• Materials used for basic needs

Which of the following are considered natural resources?

• Air, water, soil, and minerals
• Plastic, glass, and metal
• Books, computers, and cars
• Food, clothing, and shelter

Can air, water, and soil be exhausted by human activities?

• Yes, they can be completely used up
• No, they are unlimited resources
• Only air and water can be exhausted
• Only soil can be exhausted

What are the two broad classifications of natural resources?

• Renewable and non-renewable
• Inexhaustible and exhaustible
• Abundant and scarce
• Local and global

Which of the following is an example of an inexhaustible natural resource?

• Sunlight
• Forests
• Minerals
• Coal

Which of the following is an example of an exhaustible natural resource?

• Sunlight
• Forests
• Minerals
• Air

What is coal mainly composed of?

• Carbon
• Water
• Oxygen
• Hydrogen

What is the process of converting dead vegetation into coal called?

• Carbonization
• Fossilization
• Decomposition
• Combustion

What is coal used for?

• Cooking food
• Producing electricity
• Fueling industries
• All of the above

What useful products can be obtained from coal?

• Coke, coal tar, and coal gas
• Plastic, glass, and metal
• Books, computers, and cars
• Food, clothing, and shelter