Atoms
What is an atom?
The basic unit of matter
What is atomic number?
The number of protons found in an atom
What is energy?
The ability to do work
What is kinetic energy?
Energy of motion
What is a force?
A push or a pull
When was the idea of an atom made?
460 BC
What is atomic mass?
The mass of an atom
What is mechanical energy?
Energy that has to do with motion or position
What is potential energy?
Stored energy
What does repel mean?
To push something away
When was the Plum Pudding Model made?
1897
What is an element?
A type of atom with the same number of protons
What is sound energy?
Energy carried by sound waves
How do you tell if an object has more kinetic energy?
If the object moves faster, then it has more kinetic energy
What does attract mean?
To pull something
All objects are made of what?
Atoms
Atomic mass is the sum of what?
The protons and neutrons in an atom
What is chemical energy?
Energy stored within the bonds between atoms of matter
How do you know if an object has more potential energy?
If the object is higher, it has more potential energy
When does force occur?
When two or more objects interact with each other
What atomic model is most used today when studying atoms?
The Rutherford-Bohr Model
Elements are defined by what?
Their atomic number
What is nuclear energy?
Energy stored within the nucleus of an atom
What is classical mechanics?
A sub-field of physics that involves the study of mechanical energy and the motion and position of objects
When is there no force?
When the objects stop interacting