Front

What is the pH value of basic soil?

Back

A pH value greater than 7 indicates basic soil.

Front

What type of earthquake wave is the fastest?

Back

P wave (Primary wave) is the fastest type of earthquake wave.

Front

What is the term for the line of powder left by a mineral when rubbed across unglazed porcelain?

Back

Streak.

Front

How many seismometers are typically needed to accurately locate an earthquake's epicenter?

Back

At least 3 seismometers are needed.

Front

What are foliated rocks?

Back

Metamorphic rocks that have a layered or banded appearance, resembling the leaves of a book.

Front

What is the definition of an earthquake?

Back

An earthquake is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere.

Front

What is the difference between P waves and S waves?

Back

P waves are compressional waves that travel faster and can move through solids and liquids, while S waves are shear waves that only travel through solids.

Front

What is the significance of soil pH in agriculture?

Back

Soil pH affects nutrient availability, microbial activity, and overall soil health, influencing plant growth.

Front

What are the three main types of rocks?

Back

Igneous, sedimentary, and metamorphic.

Front

What is the rock cycle?

Back

The rock cycle is the continuous process of rock formation, breakdown, and reformation through geological processes.