The earth is our home, is the third planet from the Sun. The earth is 4.543 billion years old. It is the same age as the moon and the sun.
Red pandas live in the Eastern Himalayas. They can be easily identified by its coat color – reddish brown above and black underneath with white markings on the face. Red pandas have thick and bushy Read more…
Thermal contraction occurs when an object shrinks and becomes smaller due to a change in the object’s temperature. In physics, thermal contraction is a decrease in a material’s volume when its temperature decreases. When the Read more…
Thermal expansion occurs when an object expands and becomes larger due to a change in the object’s temperature. When you pour hot water on the bottle, the air inside the bottle becomes warmer and expands. This Read more…
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