This term encompasses all the substances found on or originating from Earth, including:

* Rocks and minerals: These are the building blocks of the Earth's crust and mantle.

* Soil: This is a mixture of minerals, organic matter, and living organisms.

* Water: This is a vital substance found in oceans, lakes, rivers, and groundwater.

* Air: This is a mixture of gases that surrounds the Earth.

* Fossil fuels: These are fuels formed from the remains of ancient organisms.

* Biota: This refers to all living organisms on Earth.

The term "terrestrial" is often used in contrast to "extraterrestrial," which refers to materials originating from outer space.