TYPES OF ENERGY
Chemical energy
Toaster
Electric-heat-light
What is an independent variable?
What you decide to change in an experiment.
Complete the sentence:
Energy can be transformed into another type of
ENERGY
Running
chemical energy -> kinetic energy -> mechanical energy -> heat energy
Or
Chemical energy -> mechanical energy -> heat energy
What form of energy involves moving particles? The faster these particles move, the more energy there is.
Heat or thermal energy
Burning wood
Chemical -> light -> Heat
What is a dependent variable?
What you observe or measure in an experiment.
Energy cannot be created or
destroyed
Chemical energy -> mechanical energy -> electrical energy
What sort of energy moves in waves?
Sound energy
television
Electric energy -> light energy -> sound energy
What are the controls?
Things you keep the same in an experiment.
Electric energy turns into what types of energy in a light bulb?
Heat and Light
Singing
Chemical energy -> mechanical energy (chords moving) -> sound energy -> heat energy
What sort of energy is the result of adding potential energy and kinetic energy?
Mechanical energy
Solar panel
Light energy -> electric energy
The height of a bean plant depends on the amount of water they receive.
The height of the bean plants.
How do you describe a system where energy cannot transfer out of or into?
Closed system
Cooking on a gas cooktop
Chemical energy -> heat energy -> light energy
What sort of energy moves in both particles and waves?
Light energy
Fireworks
Chemical energy -> heat energy -> light energy -> sound energy
When does a solar panel produce more energy, on a cloudy day or in a sunny day?
The quantity of energy that the solar panel produces on a cloudy and on a sunny day.
Energy cannot be ________ or _________ but it can be ________ and __________.
created, destroyed, transferred, transformed
Brushing teeth with electric toothbrush
Electric energy -> mechanical energy -> kinetic energy -> sound energy