Energy Transfers
Mathias kicked the soccer ball, which was resting on the ground.
potential/stored to mechanical
Give an example of an object that is showing only potential/stored.
Various. _______ not moving.
Sound moves in __________/__________.
Waves/vibrations
Opposites _________, Sames ________ in magnetism.
Attract; repel
A battery is an example of the _______ of an electric circuit
source
electrical to heat/thermal
Give two examples of something NOT ALIVE showing mechanical energy
An avalanche off the side of a mountain;
A baseball flying through the air
A car driving down the road. ETC
When light is _______ back it is reflected.
when light is bent/broken it is __________.
bouncing; refracted
pull; push
When the fire alarm is going off, the circuit is _______ and exhibiting ______ energy.
Closed; sound
The batteries inside the flashlight are _______ ______ energy, until turned on. The metal bars inside the flashlight (conduct/insulate) electricity, allowing it to flow to the bulb, creating _______ energy.
stored chemical, conduct, light
On a swing, the potential energy is the highest when you are at the _______ of the pendulum, but the mechanical energy is the ___________ at that same spot.
top; lowest
High ______ waves like Mickey Mouse travel ______.
pitch; fast
In magnetism, the two poles are ________ and ________.
In charges, the two opposites are _________ and ________.
North, South
Positive, Negative
What RECEIVES the electrical energy is known as the ________, like the light bulb or buzzer.
load
A campfire goes from ________ _______ energy to _____________ and __________ energies.
stored chemical; light and heat
If you are shipwrecked on a deserted island and need to cook your fish, you can use friction with fast _________ energy to create __________ energy, which is a unique skill humans were able to acquire whereas other animal groups cannot.
mechanical/kinetic; heat/thermal
Give an example of NOT using energy to create a change.
Various
Explain why Earth acts like a giant magnet.
Because of the iron core of Earth
Copper is an excellent __________ because it allows electricity to ________. Rubber/Plastic are __________, because they ________ electricity.
conductors, flow
insulators, block
A firework before it is lit is _______ ________ energy, which then transfers to __________, __________, __________, and ___________ energies.
stored chemical; mechanical, light, heat, sound
Mr. F is 73 inches tall and is holding a golf ball at the top of his reach. What energy does the golf ball have more of than if the average 5th grader was doing this in the same position? EXPLAIN your answer!
The golf ball has more stored (potential) energy because of the increase in height and the potential for gravity to have an increased effect.
DAILY DOUBLE:
Give an example of a VERB that you would see as in an example of each of the following energies:
Light
Heat
Sound
Light: seeing, spark
Heat: sparking, warming, melting
Sounding: hearing, listening
__________ resists mechanical/kinetic energy. More __________ equals (more/less) movement.
friction, friction, less
The part of the atoms which are flowing through a ________ circuit are called _________.
closed, electrons