TEAM 1
You can use it in many ways
electricity
The speed of an object in a particular direction:
velocity
How many electric charges do we have?
3
the force that acts to pull all objects down to earth
gravity
Before you describe a picture, what do you have to choose?
A reference point
What happen with a positive charge and a negative charge?
They ATTRACT each other.
The building blocks of matter
atoms
What happen if there are two positive charges?
They REPEL each other
What are the 3 different electric charges?
prontons +
neutrons 0
electrons -
Is the lightning an example of electrostatic discharge?
YES
A path along which electric charges flow
Circuit
A device that changes electrical energy into mechanical energy
electric motor
When do you know that something is in motion?
When it changes its position
What is static electricity?
The build up of electric charge in an object
What is electric charge? A property of a particle that affects how it behaves around a particle
A property of a particle that affects how it behaves around a particle
What are gravity and friction?
Two types of forces that act on objects
What is electric current?
The flow of electric charges along a path
What do you need to know the speed of an object?
How far it traveled and how long it took
When does an object accelerates?
When it speeds up, slows down or changes its direction
What is magnet?
An object that attracts iron and a few other metals
If the distance is 20 min, the time is 2 min
What is the speed?
10 m/min
What is the formula of the speed?
m/sec
What is circuit?
A path along which electric charges flows
What is electrostatic discharge?
The jumping of electrons from one object to another
What happens with the acceleration of a mouse that suddenly is chased by a cat?
Speeds up