Energy
What is energy?
The ability to cause motion or create change
What is a force?
a push and a pull
wire pathway, energy source, receiver
what kind of charges attract and repel?
Opposites attract, like chargers repel
What does data help us do?
allows us to find patterns and trends in the data.
What is mechanical energy?
Energy of motion
What can a force change?
motion, speed, direction
Where does a circuit get its energy from?
a battery or outlet
More force more_______?
motion
What is an experiment?
an investigation where all the conditions are controlled
What energy transformation happens when using a toaster?
Electrical to Heat
What causes changing motion?
unbalanced forces
What are examples of insulators
Wood, rubber, plastic, glass
When we tested how far our marble would roll on tile, carpet, and bubble wrap, what were we testing?
How does force affect motion?
What does a scientific investigation always start with?
a question that can be answered through an investigation
What energy transformation happens when you use a pencil sharpener?
Electrical to Mechanical
When a force is stopped by another force what is it called?
balanced forces
what are examples of conductors?
Copper, gold, steel, silver, wire
What makes a closed circuit?
electrical circuit that allows current to flow all the way through it without any obstructions or breakages
Can energy be created?
NO it is changed from one form to another
What energy transformation happens when you hear an announcement on the speakers?
Electrical to sound
What force keeps things from flowing away?
Gravity
What does a conductor do? What does an insulator do?
Does not allow heat and electrical energy to flow through easily
Does allow heat and electrical energy to flow through easily
What is an open circuit?
electrical circuit that is not complete or has breakages
What do electrical circuits do?
they allow electrical energy to be changed into other forms of energy