Name: _________________________ | Period: ___________________ |
This quiz consists of 5 multiple choice and 5 short answer questions through Part Four: Electricity and Automation.
Multiple Choice Questions
1. What pumps refrigerant out in an air conditioner?
(a) A solenoid.
(b) A gear.
(c) A compressor.
(d) Oscillator.
2. What is an object's weight divided by its volume?
(a) An object's density.
(b) The object's ability to exert force.
(c) The object's constant mass.
(d) An object's elemental number.
3. How does a rocket engine power the craft?
(a) By the combustion of one propellant.
(b) By the turning of a propeller.
(c) By the combustion of two propellants.
(d) By nuclear fusion.
4. What is the result of a collision of molecules which break on impact forming new and different molecules?
(a) Combustion.
(b) Radiation.
(c) Fusion.
(d) Fission.
5. What is an example of a second-class lever?
(a) An engine block system.
(b) A nutcracker.
(c) A crane.
(d) A clock.
Short Answer Questions
1. Where can the electromagnetic fields exist that sound waves cannot?
2. How many methods of modern printing are there?
3. Why is cold water denser than warm water?
4. What happens when a magnetic field flows from a magnet into metal?
5. When a magnetic field flows from a magnet into metal what is pulled together?
This section contains 244 words (approx. 1 page at 300 words per page) |