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Chapter18
Chapter 17
Chapter 16
Chapter 15
100
What is static electricity?
An electric force between non-moving electric charges
100
What is temperature?
It describes the average kinetic energy of the particles that make up the material.
100
The ability to do work is?
Energy
100
This is the change in an object's position.
Motion
200
Negatively and positively charged ballons _______ each other.
Attract
200
How does mercury measure temperature?
When thermal energy is added to the liquid, it expands and rises in the tube.
200
What is the formula for mechanical energy?
ME= PE + KE
200
Give an example of an inclined plane.
A heavy box being pushed up from the ground to the truck by a ramp.
300
Give an example of a solar cell.
lighted roadside signs
300
Should you wear light or dark clothes in hot weather and why?
Light, because it reflects radiant energy.
300
Water waves are what kind of wave?
Transverse wave
300
Fuel cells use _____ to produce electrical energy.
Hydrogen and oxygen
400
Do Hydroeolectric power plants have turbines?
yes
400
What is the reason for different materials heating up at different speeds?
Specific Heat Capacity
400
This measures the intensity or strength of the vibrations that produce a sound. It tells how loud or soft a sound is.
Volume
400
Aligned electrons create a stronger or weaker magnetic field?
Stronger
500
How does Hydroelectric power plants work?
When water pours through the gates, and the rushing water turns turbines that power electric generators
500
When rapidly vibrating particlesin a solid cause nearby particles to vibrate, this is called?
Conduction
500
Visible light is located in what part of the electromagnetic spectrum?
The middle.
500
Name the six simple machines
Inclined plane, wheel and axle, lever, pulley, screw, and wedge.