Which is an example of convection? In a mountain forest, the sun heats up the ground. On a hot day, Amaya pours water on her face to cool off. At the beach, Stephan’s feet get hot walking across the sand. Above the sea, warm air rises, cools, and sinks.

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.

J. j. thomson’s experiment disproved the theory that an atom

Aspacecraft that renters the earth’s atmosphere drastically slows down. the amount of kinetic energy the spacecraft has as it reenters the earths atmosphere