5.6A Types of Energy
What type of energy is used to make the turbines in a dam moves?
Mechanical Energy
If the circuit its closed...
It flows.
Light is _________ when it bounces off a medium and back to our eye.
reflected
What type of energy is present when a ball is rolling across the ground?
If an item is transparent, it does what to light waves?
Allows almost all light to pass through it.
Which 2 energies does a toy oven use to bake a cake?
Electrical and Thermal
If the circuit is open...
it's broken.
Why does your hand appear bigger in a pool?
Light rays travel through water and are refracted or bent.
What kind of energy is stored in a battery?
Chemical Energy
An energy-efficient house, a calculator, and a satellite all use what energy source?
light energy mechanical energy
sound energy electrical energy
Light Energy
When a bat makes clicking sounds and flies at night to find food, which energies does it use?
sound and mechanical energy
If I have a complete circuit for my lamp, but it is not very bright; what can I add to my circuit to make my bulb shine brighter?
Which energy source comes from the sun?
Solar Energy
What 2 main types of energy does an alarm clock use?
light and sound
Solar panels, a calculator and a lamp all use which energy?
Light energy
What would happen if the wires in a circuit were not insulated?
we would get burned
yes
Which of these devices is the only one NOT designed to produce light and sound energy?
tuba television
fireworks digital clock
Tuba
Christmas lights are an example of what type of circuit?
a series circuit
Which object only needs mechanical energy to work? A lamp, A fan, an iron or a hammer?
A hammer
In a parallel circuit if one wire to bulb A is cut, will the wires to bulb B still work?
yes
If light rays go through a transparent object they have been _______. But if they stop at an object, they have been ________.
transmitted; absorbed
Which object requires only mechanical energy to perform its main function?
hammer thermometer
fan iron
hammer
What type of energy do I use to ride a bike?
Mechanical