Coal and Its Uses

What is coal primarily used for?

• Making steel

• Fueling cars

• Producing electricity

• Generating heat

How is coal formed?

• By volcanic activity

• From animal remains

• Through intense heat and pressure on plant matter

• By chemical reactions in the Earth's core

What is the process called to remove dirt and rocks from mined coal?

• Crushing

• Burning

• Cleaning

• Mining

What is the purpose of burning coal?

• To release harmful chemicals

• To create steam

• To produce acid rain

• To generate wind energy

What is one negative impact of burning coal?

• Soil erosion

• Water scarcity

• Air pollution

• Deforestation

Who is the Author of A Powerful Rock?

• Peter Pierce

• Paul Pierce

• Patrick Pierce

• Pam Pierce

Eventally, the _______ matter turned into coal.