Circuits
Motion
Energy
Light & Sound
Heat (Thermal)
100
Name the three parts of a circuit.
1. battery (energy source)
2. wires (carry electric current)
3. light bulb or device (that produces sound, light, heat, or motion)
BONUS- a switch- to turn ON or OFF
100
Moving objects are evidence that energy is not present.
True or False?
false
Moving objects are evidence that energy IS present.
100
Warming, making noise, and making light are all signs that energy is moving between objects.
True or False
True
100
Sound energy is energy you can __________.
Light energy is energy you can ____________.
Hear
See
100
________ causes surfaces to warm up as they move past each other.
Friction
200
What type of circuit is pictured?
Open circuit
200
Motion happens when their is movement and objects change ___________.
position
200
When something moves, ______________ is present.
energy
200
Sound energy comes from _____________.
vibrations
200
Name an example of heat energy.
a stove, a heater, a warm sidewalk, a hair dryer, etc.
300
What type of circuit is shown?
Parallel circuit
300
Name an example of motion.
a rolling ball, a swinging swing, a moving car, etc.
300
When energy transfers out of the system, it reduces the energy within the system.
Light produced by a flashlight _____________ the energy of the battery.
a. lowers
b. raises
a. lowers
300
Name an example of sound energy.
A bell ringing, an instrument making music, person talking, a buzzer, motors; etc.
300
Heat energy makes things warm or __________.
hot
400
In a series circuit, there is only one path for the flow of electricity. What happens if one path stops working?
They all stop working.
400
Pushes and pulls in the opposite direction of an object's motion will ______ it's "motion energy."
increase or decrease?
decrease
400
Devices such as batteries and generators can cause the flow of electric currents through
____________.
conductors (ex: wires)
400
Electric currents produce observable effects when they flow through devices such as bulbs (light),
buzzers (_______), motors (motion), and heaters (heat).
sound
400
How do you know there is evidence of heat energy? Two answers
1. Temperature changes
2. You feel warmth
500
In a parallel circuit, there is more than one path for electricity. What happens when one path stops working?
Others will still work.
500
Pushes and pulls on objects that are sitting still or in the same direction that the object is moving will ___________ "motion energy."
increase or decrease?
increase
500
A circuit is a closed system. Energy transfers out of this system can take forms of light, sound, ___________, and/or heat.
motion
500
Name an example of light energy.
the Sun, flashlight, light bulb, firework, etc.
500
Name 3 sources of heat.
The sun, fire, or electricity.