How does the heat curve demonstrate what happened in the glass? A) the ice got harder as the temperature increased
B) the ice melted when the temperature decreased
C) the ice melted as the temperature increased

An electromagnet is a device in which moving electric chargers in a coil of wire create a magnet. whats one advantage of using electromagnetic in devices

The dominant wavelength of energy emitted by the sun is

Match the words or actions and their definition. 1. the rate of doing work 2. a machine that changes motion 3. the force that is used to generate electricity 4. 550 foot-pounds per second 5. the force that makes things fall toward the earth 6. work in > work out 7. metric measurement of work 8. the product of force times distance water falling from a dam newton-meter gravity work windmill power the work principle 1 horsepower