Vocabulary
Energy that causes a change in temperature between materials
Heat Energy
The source of energy in an electrical circuit is the ___________________.
battery
what is collision?
a forceful impact or crash
The faster an object is moving, the __________ energy it has.
more
M = ______________________
Mechanical
To become less
decrease
What is the least amount of wires you need to build a circuit?
at least 2 wires
After these 2 metal spheres collide, what is most likely to change: shape, motion or size?
motion
Rate of motion = __________________
speed
E = __________________________
Electrical
To become more
increase
Is a complete circuit ON or OFF?
ON
sound, change in motion and heat
To make a toy car go faster, which ramp would be better? tall or short?
tall
L = _______________________.
Light
That which is needed to do work
energy
What forms of energy are used in a circuit? Name 2.
chemical (battery) electrical (wires), light (bulb)
What would happen to a small ball if a large ball strikes it at a faster speed?
the small ball would move faster
If an object is moving slowly and then moves faster, it is said to (increase or decrease) its speed
increase
T = ______________________.
Thermal
Energy that travels as waves through the air or water and vibrates the eardrum upon contact
Sound energy
conductor or insulator? a penny
conductor
When two moving objects collide, their motion change. Why?
Energy is transferred from one object to the other.
How is energy and speed related?
more speed = more energy (moves faster)
less speed = less energy (moves slower)
S = __________________________
Sound