Reflection vs. Refraction
All About Circuits!
Got Energy?
Sentence Stems
RANDOM!
100
This is an example of...
Reflection
100
TRUE or FALSE: You must have a battery, wire, lightbulb, and a switch for the circuit to work.
FALSE.
100
A student performs the following activities before leaving for school:
- unplugs the hair dryer
- turns the ceiling fan off
- turns the radio off
Which types of energy are involved in all these activities?
Electrical energy and mechanical energy
100
Light always travels in a ___________________
Straight line
100
You are conducting an experiment where you are trying to see which tool would dry off a puddle first.
Which energies are you comparing/ testing in this experiment?
Thermal and Mechanical
200
This is an example of... 
light travels in a straight line and refracts when it goes through the medium (water)
200
Which (2) two switches can we open and STILL have all the other components working?
Switches X and Switches U
200
A toy oven has a bulb inside, it has to be plugged in so it can work. What type of energy ACTUALLY cooks the food inside of the toy oven? 
THERMAL energy
200
A _____________ is a circuit with a complete pathway (the lightbulbs turn on)
CLOSED circuit
200
Which of the following items do you NOT need too create a working circuit?
1. power source
2. switch
3. wires/ pathway
4. output
you do not need switches for a circuit to work
300
This is an example of...
Refraction
300
The following is an example of what type of circuit? 
PARALLEL circuit
300
Which types of energy does this picture represent?
Sound and Mechanical
300
White paint ______ the most light, while black paint would _______ the most light.
reflects / absorbs
300
Light always travels in a _______________ and in _______________
straight line + all directions
400
What is happening in this picture? *besides upsetting this ladybug
HINT: There are 3 things you can say about light in this picture 
1) Light is refracting through the magnifying glass
2) Light always travels in a straight line
3) The tool / instrument is magnifying the image
400
A student builds the circuit shown below. The student closes Switch 1 and Switch 3.
Which lightbulb will glow?
Only L1
400
Which of the following uses light as its SOURCE (first) energy? 
SOLAR calculator
400
A _______________ circuit has only one (1) complete pathway for electric current to flow through
SERIES circuit
400
What is the difference between a simple mixture & a solution?
simple mixture- can be separated easily and each substance keeps their physical characteristics
solution- mixture where one of the substances dissolve and you can only separate it by evaporating the solution
500
What is happening in this picture? 
light is bending
light is refracting
500
To recharge the battery for later use without lighting the bulb, which of the following switches should be closed?
Switches R and T only
500
Which of the following activities are examples of MECHANICAL energy?
1. a grasshopper jumping
2. a canoe floating down the river
3. A radio station playing the news
4. a shark chasing its prey
5. a pinecone falling to the ground
6. A lightbulb turning on and off
1,2,4,5
grasshopper jumping/ canoe floating/ shark chasing/ pinecone falling
500
In a ___________ circuit, if one of the lightbulbs turns off.. the others STILL TURN ON.
PARALLEL circuit
500
Why does the fish appear to be closer to the surface than it actually is?
when light travels from the air through the water, it changes direction/ speed and it bends (refracts)