This is what makes our cup system a closed system.
What is a lid?
A girl on a bicycle is converting chemical energy to ______ energy.
What is mechanical?
Faster
The three states of matter are _____, _____, and ____.
Solid, Liquid, and gas (We don't talk about plasma, no no.)
What is kinetic?
This cup has one wall and a pop-on lid.
What is the regular cup?
__________ power plants produce electricity by splitting the nucleus of atoms.
What is nuclear?
Adding heat to particles also adds speed and this type of energy.
What is kinetic?
These two states of matter have a definite volume.
What are solids and liquids?
Energy stored in an object is called what?
Potential energy
Which cup has double walls and a screw-on lid?
Fancy cup
A car engine converts this type of potential energy into mechanical energy.
What is evaporate or escape?
This state of matter has no definite shape and will fill whatever container it is in.
What is gas?
There are this many planets in our solar system.
What is 8?
The two most important parts of the cup system for keeping things cold are the lid and the ______.
What are layers?
A solar panel converts light & heat energy into what?
Electrical energy (electricity)
When heat is removed from a liquid, the particles in the liquid begin to _______ ______.
What is slow down?
The particles in this state of matter are very close together and vibrate in place.
What is solid?
A human being able to read is an example of a ________ behavior.
What is learned?
The fancy cup has what kind of walls?
Double layer
A campfire converts chemical energy into which two types of energy?
Heat & Light
When particles collide (hit) something, they change these two things.
What is speed and direction?
The state of matter with a definite volume but no definite shape is what?
Liquid
Kool aid is which of these: a compound, a solution, or a complex?