What does MELTS stand for?
Mechanical - Electrical - Light - Thermal - Sound
Light always moves in a....
stratight line
Name the four parts of a circuit
wire, battery, resistance, switch
What do we call liquid water turning into solid water?
freezing
A force is a ___________ or a pull
push
What TWO types of energy does this create?
Thermal and Light
What does light do when it hits a mirror?
Reflect
How can we make this circuit work?
closing the gap by adding a wire, moving the existing wire, adding something conductive like a paperclip
What do we call liquid water turning into gas?
Evaporation
A student changed the height of a ramp and measured the distance the car travelled. What is the variable being measured?
What type of energy does this use and produce?
Use: Electrical
Produce: Mechanical
Why does a pencil look like its bent when placed in water?
Refraction
What is the difference between an electric conductor and an electric insulator
a conductor lets electric energy flow while an insulator stops the flow of electricity
What type of energy changes the state of water?
Thermal Energy
A student changed the height of a ramp and measured the distance the car travelled. What is the variable being changed?
Height of ramp
What is something that uses electrical energy and produces sound energy?
phone, microwave, speaker, TV, etc.
Which object is ABSORBING the light?
Object 2
Which part of this toaster works as the switch of our circuit?
the lever
When you go outside in the cold and see your breath, what is happening?
The water vapor in your breath is condensing into droplets that are visible
A student changed the height of a ramp and measured the distance the car travelled. What type of force is being tested?
Gravity
What is something that either uses or produces at least FOUR of our energy types?
example: microwave uses ELECTRICAL and produces SOUND, LIGHT, MECHANICAL, and THERMAL
What do lens use refraction to do?
To bend the light to enlarge the image seen
Draw a circuit that has one working lightbulb and one lightbulb that is turned off
What is the difference between condensation and evaporation?
Condensation is gas turning into liquid while evaporation is liquid into gas
What is friction?
Objects rubbing together to create resistance and a force that pushes to a stop eventually