How do satellites stay in orbit?
The law of universal gravitation, formulated by Isaac Newton, states that every mass attracts every other mass in the universe with a force that is…
The law of universal gravitation, formulated by Isaac Newton, states that every mass attracts every other mass in the universe with a force that is…
Lightning strikes can cause forest fires when they hit trees or dry vegetation, igniting them due to the immense heat generated by the strike. MCQs…
Spiders are known for spinning intricate webs that act as traps for their prey, allowing them to capture it efficiently. MCQs 1. How do spiders…
Wings are primarily evolved for flight, allowing animals to travel through the air. MCQs 1. Besides flying, what is another use of wings in animals?…
Birds build nests to have a secure location to lay their eggs and raise their young until they are ready to fend for themselves. MCQs…
Wind turbines convert the kinetic energy in wind into mechanical power, which can then be converted into electricity, thus making wind energy the primary source.…
Some materials conduct electricity because they have free electrons or charge carriers that can move easily throughout the material when an electric field is applied.…
The healing process begins with the formation of a blood clot at the site of the break, which helps stop bleeding and stabilizes the area…
The different colors in a sunset are primarily caused by the scattering of sunlight by the Earth’s atmosphere. As sunlight passes through the atmosphere, it…
Some animals hibernate in the winter to survive periods when food is scarce and temperatures are very low. Hibernation allows them to conserve energy by…