Earth's Resources Review

Front

What is concrete?

Back

Concrete is a synthetic material formed by a chemical reaction after mixing water, powdered cement, and aggregates like sand or gravel.

Front

How is cement made?

Back

Cement is made by heating natural limestone in a kiln and grinding the product to a powder.

Front

What is synthetic gas?

Back

Synthetic gas is a mixture of carbon monoxide, hydrogen, and carbon dioxide produced by treating coal with steam and oxygen at high temperatures.

Front

How does synthetic gas differ from natural gas?

Back

Natural gas is used as it is obtained from Earth, while synthetic gas is made by chemical modification of a natural product.

Front

What is the Haber process?

Back

The Haber process is a method developed to synthesize ammonia from nitrogen in the atmosphere, significantly increasing fertilizer availability.

Front

Why are ammonia compounds important for farming?

Back

Ammonia compounds are essential fertilizers that help increase crop yields.

Front

What effect does acidic water have on limestone?

Back

Acidic water can dissolve limestone, creating larger spaces and increasing groundwater storage.

Front

What is an aquifer?

Back

An aquifer is a geological formation that can store and transmit groundwater.

Front

What are fossil fuels?

Back

Fossil fuels are natural resources like coal, oil, and natural gas formed from the remains of ancient organisms.

Front

What is the significance of geologic features in resource distribution?

Back

Geologic features influence the distribution of resources like fossil fuels by affecting their formation and location.