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
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?
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 time of simple machine could separate two pieces of wood?
a wedge
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?
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
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
What type of energy do I use to ride a bike?
Mechanical