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🌍 Rocks, Materials, and Soil (Easy Way)

🪨 What are rocks?

Rocks are hard things found on the Earth.

They are made of minerals.

We see rocks on mountains, roads, and riverbeds.

Examples: stone, granite, marble

Definition

Day and night happen because the Earth rotates (spins) on its axis.

Main details

The Earth spins once in 24 hours.

The side of Earth facing the Sun has day.

The side of Earth facing away from the Sun has night.

Definition

Fossils are the remains or traces of plants and animals that lived on Earth long ago and got preserved in rocks.

Main Details

Fossils form over millions of years.

They are usually found in sedimentary rocks.

Fossils help scientists learn about ancient life and Earth’s history.

Definition

Thermal energy is the energy produced by heat due to the movement of tiny particles inside an object.

Main details

Everything around us is made of tiny particles.

These particles are always moving.

When particles move faster, the object has more thermal energy.