Forms of Energy
The kind of energy does a thermometer measure
Two objects of opposite charge will attract or repel one another?
What is attract one another?
A clock gets this from an electric current from the outlet.
What is energy?
Electricity must flow through this to work.
What is a circuit?
This type of energy is stored in chemical bonds.
What is chemical energy?
Two objects of the same change will attract or repel one another?
What is repel one another?
A light bulb converts electrical energy into these two types of energy.
What is heat and light?
This is anything that allows charged particles to flow through it.
What is a conductor?
Batteries can convert chemical energy to this type of energy.
What is electrical energy?
Charged objects attract these kinds of objects.
What is uncharged objects?
A motor is a device that changes electrical energy into this type of energy.
What is the energy of motion? (Kinetic energy)
The flow of electricity is called this.
What is an electric current?
This kind of energy is transferred to a nail when it is hit with a hammer. It causes the nail to move into the wood.
What is kinetic energy?
Mandy combs her hair with a plastic comb. This causes the comb to become negatively charged. These objects would be attracted to the comb?
What is a positively charged object and an uncharged object?
At a concert, there are often microphones and speakers. This kind of energy conversion takes place in a speaker.
What is electrical energy to sound energy?
This type of object does not allow electricity to flow through it easily.
What is an insulator?
A musician uses her muscles to hit drumsticks against a drum. Which type of energy changes take place?
What is chemical energy to kinetic energy into sound energy?
Oscar rubbed a balloon against his sweater. This caused the balloon to become negatively charged. Oscar held the balloon above small strips of paper. Some of the strips moved upward and attached to the balloon. Other strips moved away from the balloon. Explain why this occurred.
What is positively charged strips of paper were attracted to the balloon, while negatively charged strips of paper were repelled by the balloon.
Daniel is using an electric mixer to mix pancake batter. When he turns the mixer on, the beaters turn quickly. The mixer makes noise and becomes warm. These three forms of energy is what Daniel is transforming electrical energy into.
What is motion, heat, and sound?
Electrical currents flow from positive to negative or negative to positive?
What is negative to positive?