Understanding the Earth’s Rotation and How It’s Different from Earth’s Revolution

Illustration of Earth’s Rotation. (Photo: https://pixabay.com) Earth always moving. Earth’s motion can be divided into two, namely the rotation of the earth and the revolution of the earth. Then what …

Read more

Definition and Examples of Chemical Energy Changes into Heat

Definition and Examples of Chemical Energy Changes into Heat, Photo: Pixabay Energy is needed by humans to carry out various activities. Energy can neither be created nor destroyed, but it …

Read more