Soil and Rocks: What Is Soil?

The video tutorial explores the often hidden world of soil, which is covered by grass, trees, roads, or buildings. It delves into the composition of soil, highlighting the small particles made of rocks, sand, and minerals, as well as organic matter from dead plants and animals. The video also discusses the diverse life forms residing in soil, such as earthworms and bacteria, and emphasizes the crucial role of soil in providing air and water to plants, which absorb water through their roots.

What are the small loose pieces that make up soil called?

• Fragments

• Particles

• Grains

• Pebbles

Which of the following is NOT a component of soil particles?

• Rocks

• Sand

• Minerals

• Plastic

What might you find living in the soil?

• Reptiles

• Fish

• Birds

• Earthworms

How many microscopic bacteria can be found in a teaspoon of soil?

• Hundreds

• Thousands

• Millions

• Billions

Why is water in soil important for plants?

• It provides nutrients

• It is absorbed through their roots

• It keeps them warm

• It helps them breathe