WorksheetsGTT Semester exam study
Total questions: 75
Worksheet time: 1hrs 19mins
True of false
Drag racing is a sport in which cars or motorcycles race down the track with a set of distance as fast as possible.
False
True
Monster cars are model dragsters that are designed for speed and use CO2 cartridge
False
True
I don't know
Basswood body blank is heavier than the balsa wood blank
True
False
The CO2 cartridge contains pressurized carbon dioxide gas that is confined in a small cartridge
False
True
Cars with more mass go much faster than the cars with less mass
True
False
In making ice cream, you could use other types of salt instead of sodium chloride (NaCl)
True
False
Resistors prevent current from flowing in the circuit
True
false
A circuit that contains only one path for current flow is called parallel circuit
False
True
If a path is open anywhere in the series circuit, current stops flowing to all components.
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true
sdjfskldjf
false
Wires that have larger diameter have less resistance and wires that have smaller diameter have more resistance
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True
False
If the digital multimeter will give a negative reading, the positive and negative terminals are reversed resistance.
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True
false
Power must be ON from the circuit in measuring resistance
False
True
Battery converts electrical energy to light energy
True
False
False and True
A soldering iron must be coated with a thin coat of solder to allow for the transfer of heat to work piece
True
false
Wear safety glasses when soldering
True
False
In reducing the friction of your CO2 car, which of the following is appropriate to do?
Make sure wheels and axles are free to rotate
make sure the wheels are not rubbing on the body of the car
Install the eye hooks properly
All choices are correct
The following are the advantages of rail cars EXCEPT
easy to build and design
rails reduce weight of the car
can be built by most students
Exterior wheels cause drag
Which of the following is the effect of adding salt to the bag of ice?
it lowers the freezing point of the ice
More energy must be absorbed from the environment in order for ice to melt
It makes the ice colder which causes the ice cream to freeze
All of the choices are correct
Which of the following is true about circuit diagrams?
A drawing that traces the path that electron flow will take in an electronic circuit
A drawing that shows electronic somponents by symbols
A drawing that shows a complete path for current to flow
All of the choices are correct
which of the following is NOT true about parallel circuits?
A circuit that contains more than one path for current flow
Is a component is removed; it is possible for the current to take another path to reach other components
Voltage across the circuit is the same
If the path is open anywhere in the circuit, current stops flowing to all components.
What would happen if you remove light 1?
Light 2 is one
Light 3 is on
Lights 2 and 3 are on
All lights are off
What would happen if you remove light 2?
Only light 1 is on
Only light 3 is on
Lights 1 and 3 are ON
Lights 1 and 3 are off
Which of the following is True about resistance?
As resistance increases, current decreases
All components and wires have some resistance
Materials that are good conductors offer little resistance
All choices are correct
Which of the following is Not TRUE about resistance?
Large wires have less resistance
Cooler wires have less reisistance
Longer wires have less resistance
All the choices are correct
Who is George Simon Ohm
He discovered the mathematical relationship between current, voltage and resistance
He taught how read the color band in the resistor
He discovered the use of Ohms in the multimeter
All choices are correct
Which of the following statements is NOT a characteristics of a good solder?
Smooth
Shiny
Concave fillet
Malleable
To ensure safety while soldering, you must do the following EXCEPT
Tie back long hair and remove or tuck loose clothing
Wipe the excess solder on the solder stand and table
Provide plenty of space work
Use a properly-sized point for the soldering job to be completed
Which of the following statements is TRUE about using the multimeter?
Measure across a component in mearsuring voltage
Circuit flow must go through the meter in measuring current
Measure across the component in measuring resistance
All choices are correct
Basic particle of negative charge in orbit; around the nucleus in an atom------
Model
Automation
Electron
friction
Laws proposed by Issac Newton that explain how force and motion work is called------
Electron
Newton's first law of motion
Newton's Law of motion
Third law
Any several elementary mechanisms that are used to transmit or modify force motion, including the lever, wheel, and axle, pulley,screw, wedge, and incline plane
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Model
friction
Simple Machines
----- Is the resistance that one surface or object encounters when moving over another.
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Simple machines
prototype
Friction
A visual, mathematical, or three-dimensional representation in detail of an obeject or design, often smaller than the original. It is often used to test ideas, make changes to a design , real object
Model
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Chemical Engineering
Friction
A full-scale working model used to test a design concept by making actual observationa and necessary adjustments----
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Prototype
Model
Newton's law
----States that the total energy of an isolated system remains constant no matter what internal changes take place , with energy diapperaing in one form reapperaing in another.
Law of conservation of energy
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Electron
Simpple machines
The law states that objects at rest stay at rest and the objects in motion stay in motion, unless an external force is applied ? This law is known as the law of inertia----
Newton's First law of motion
Newton's law of motion
Law of conseravation
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The ---- states that the realtionship among an object's mass(m), acceleration(a), and an applied force(F), is Force equals mass times acceleration(F=ma)
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Law of consendkslj
Newton's second law of motion
Newton's third law of motion
The----- states that for every action there is an equal and opposition reaction.
Newton's second Law
Newton's first law
Law of conservation of energy
Newton's third law of Motion
---- is a car that is aerodynamically designed for speed
Truck
Dragster
Electron
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A type of CO2 dragster car that has a narrow rail that connects the front axle to the back of the car-----.
Dragster
Battery
Rail
Compound
A part of an electronic circuit that supplies DC electrical energy to an electrical circuit. One of the terminals is positive and the other is negative-----
Battery
Sodium Chloride
Nucleus
Substance made up of two or more elements, such as water (H2O), carbon dioxide (CO2), or table sugar (C12H22O11) is called-----
Compound
Battery
Model
Prototype
-----is the most commone salt used in making ice cream
sodium chloride
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Ice cream
Battery
The massive and stable part of the atom that contains both protons and neutrons is called------
Nucleus
Sodium CHloride
Compound
Battery
The smallest unit of a chemical element, made up of a nucleus surrounded by electrons is called-----.
Atom
Nucleus
Electron
Neutron
A combination of different things in which the components are individually distinct-----.
Mixture
Atom
Separation
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A group of atoms chemically bonded together, representing the smallest fundamental unit of a compund that can take part in a chemical reaction.
Molecule
Mixture
Mom
Mixing
The branch of engineering serving industries that chemically convert basic raw materials into a variety of products-----.
Chemical Engineering
Chemist
Chemicals
Engineering
The branch of science concerned with the properties and interactions of the substances of which matter is composed
Chemistry
Chemicals
Chemical Engineering
A person engaged in chemical reactions or experiments
(a)
A pure substance composed of only one type of atom
Neutron
Element
Electron
Atom
-----is particle with positive charge in the nucleus of an atom
Proton
Neutron
Electron
-----is a particle with no charge that is found in the nucleus of an atom
Neutron
CHemist
Element
Proton
A system of conductors and components that converts electrical energy into motion----.
(a)
-----is defined as the opposition of current flow.
Resistance
Non-Resistance
Jello
circuit
An electronic component that converts electrical energy into motion
Motor
Mixture
Newtons' law
Dragster
A --- is a mechanical device that is used connect and disconnect a component or circuit
Switch
Off
On
Battery
A type of resistor that has a value that cannot be changed is called----.
Fixed resistor
Non-Fixed resistor
Off switch
Red Black, Red Gold
* Don't worry if you don't know, just try again
1K ohms
220Kohms
2k Ohms
250M ohms
Red Red, Yellow Gold
1k ohms
220k ohms
2k Ohms
250M ohms
BRB Brown Black, Red Gold
1k ohms
220k ohms
2k Ohms
250M ohms
Red Green Violet Gold
1kohms
220k ohms
2k Ohms
250M ohms
What is this ?
Fixed resistor
Lamp
Capacitor
Photo Resistor
What is this?
Push button switch
Motor
Toe
Start
What is this?
hsadjfsk
Photo resistor
Transistor
Motor
What is this
Transistor
Photo resistor
resistor
motor
What is this?
motor
Lamp
LED
Capacitor
What is this?
LED
Lamp
Motor
What is this?
Lamp
LED
Capacitor
What is this?
LED
Capacitor
Lamp
What is a pulley?
What is a gear?
What is a wedge?
What is a inclined plane?
What is a wheel and axle?
