can someone give the answers to 6th Grade Science Term 1 Final
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dose kinetic energy conserve energy?
Yes, according to the law of conservation of energy, the total amount of energy in a closed system remains constant. This means that energy cannot be created or destroyed; it can only be transferred from one form to another. Kinetic energy is a form of energy that an object possesses due to its motion. When an object moves, its kinetic energy increases, but the increase in kinetic energy is offset by an equal decrease in potential energy or other forms of energy, ensuring that the total energy in the system remains constant. Therefore, kinetic energy conserves energy in a closed system.
dose kinetic energy store energy?
No, kinetic energy does not store energy. Kinetic energy is a form of energy that an object possesses due to its motion. When an object moves, its kinetic energy increases, but when the object comes to rest, its kinetic energy is dissipated into other forms of energy, such as heat or sound. Kinetic energy is not stored, but rather, it is constantly in motion, and the amount of kinetic energy that an object possesses depends on its mass and velocity. So, while kinetic energy can be transferred from one object to another, it is not stored within an object.
Which energy transformation happens when a toaster is plugged in to an outlet in the wall and used to make toast?
A. Electrical energy from the outlet is converted completely to heat energy for the toaster.
B. Electrical energy from the outlet is converted to heat and chemical energy in the toast.
C. Electrical energy from the outlet is converted to heat and light energy for the toaster.