Changes Between Forms of Energy
A microwave oven changes electrical energy to which type of energy.
What is radiant energy?
When you throw a ball upward, where does the ball have its greatest speed and the most kinetic energy?
What is when it first leaves your hand?
According to the law of conservation of energy, how can energy be transformed?
What is from one form into another or transferred from one region to another?
Gas stoves and furnaces change __________ energy from natural gas into thermal energy.
What is chemical energy?
Which is a force that resists the motion of one surface over another?
What is friction?
Changes from electrical energy to radiant energy to thermal energy are known as what?
What are energy transformations?
As the ball reaches its highest point, after being tossed in the air, we say the ball has gained the greatest of which type of energy?
What is its greatest potential energy?
Also according to the law of conservation of energy, energy cannot be what?
What is created or destroyed?
During photosynthesis, plants transform_________ energy from the Sun into ________energy stored in food.
What is radiant energy into chemical energy?
What is always present between any surfaces that are in contact with each other?
What is Friction?
The total amount of energy within a system always remains what?
What is the same?
As the ball moves downward, which energy decreases?
What is potential energy?
When energy changes form, which type of energy is always released?
What is thermal energy?
A television transforms electrical energy into _______ energy and ________ energy.
What is sound energy and radiant energy?
Because of friction between moving parts of a bicycle, some of the work you do changes to which type of energy?
What is thermal energy?
When you apply brakes on a bicycle, which type of energy does the bike have that is not destroyed but is being transformed?
What is Mechanical Energy?
As the ball moves downward, which energy increases?
What is kinetic energy?
Scientists often refer to the energy released and that cannot be used as what?
What is waste energy?
Many devices you use every day are powered by which type of energy.
What is electrical energy?
One way to reduce friction is to apply what to surfaces that rub against each other?
What is a lubricant?
When you apply brakes on a bicycle, how is the bikes energy being transformed? (From which type to which other type?)
What is mechanical energy is transformed to thermal energy?
How are Kinetic energy and speed related to potential energy?
Cars transform most of the chemical energy in gasoline into which type of energy?
What is waste energy?
With battery-powered devices, which energy is transformed into electrical energy for power.
What is chemical energy?
As you pedal a bicycle, you are doing what in order to transfer energy to the bicycle?
What is work?