Z.R Conservation of Energy

The law of conservation of energy

• states that energy cannot be created or destroyed.

• states that the amount in energy depends of how much force is applied

• states that science is the main force in the law of conservation of energy

• states the force of energy in light

Energy resources are included with ... ____ and ____ wisely

• coal, oil

• flour, egg

• fire, ice

• gravity, energy

The law of conservation of energy, on the other hand, is a _________

• universal principle that states that total energy remains constant.

• mechanical energy transformation

• energy is changing back and forth between GPE and kinetic energy

• mechanical energy is not necessarily

Mechanical energy is the ______

• sum of the kinetic energy of the objects in a system

• the strength and vitality required for sustained physical or mental activity.

• power derived form the utilization of physical or chemical resources

• ability to do work

Energy transformation also occur during _____ ______ when an object moves in a curved path

• projectile motion

• system motion

• motion

• energy motion

The effect of friction If the mechanical energy of the swing-Earth systems _____, then some other forms of energy must ______ by an equal amount to keep the total amount of energy the ______.

• decreases, increase, same

• increase, decreases, same

• same, decreases, large

• I, feel, good

Transforming electrical energy ....can also involve

• electrical energy.

• feral energy

• red energy

• I don't know energy

Light bulbs transform electrical energy into

• radiant energy

• mechanical energy

• thermal energy

• television energy

Televisions transform electrical energy into ____ energy and ____ energy.

• radiant, sound

• mechanical, radiant

• alarm, clock

• toasters, bread

Transforming chemical potential energy fuel stores energy in the form of ________ energy.

• chemical potential

• hemiciclo pallor

• mechanical energy

• thermal