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WorksheetsScience Study Guide
Total questions: 40
Worksheet time: 25mins
What charge do protons have?
positive
negative
neutral
(a) build up of charge on insulating materials
What is anything that takes up space?
matter
atoms
electricity
charge
What is ALL matter made of?
(a)
Static electricity is a (a)
Equation for Ohm's Law is V=IR
A positive charge will ATTRACT an object that has a NEGATIVE charge
True
False
Electrons have positive charge
False
True
When charges in an uncharged object are rearranged without direct contact with a charged object
(a)
Shock results when charge is neutralized
True
False
Opposite charges attract!!!
True
False
Like charges repel!
True
False
What law states that charge cannot be created nor destroyed only transferred?
law of constitution of charge
law of gravitational
laws of motion
Most atoms are electrically neutrons because the number of protons equals the number of electrons
True
False
Atoms with (a) become charged by giving or losing electrons
You can only transfer electrons
True
False
The force charged objects give off
electric charge
electric force
electric field
Area surrounding charged objects
electric field
electric force
electric charge
(a) allows charges to act at a distance
Charged object inside electric field will be pushed and pulled by the exerted force
True
False
What is a conductor?
Materials that allow e- or electricity to flow easily
Materials that don't allow e- or electricity to flow easily
the force charged on an object
What is an insulator?
Materials that allow e- or electricity to flow easily
Materials that don't allow e- or electricity to flow easily
Tool used to detect electric charges
What are the 3 transfers of charge?
(a)
Friction is the transfer of electrons through rubbing objects?
True
False
Transfer of electrons through electric fields
(a)
Transfer of electrons through direct conduct between objects
(a)
The net movement of electric charge in a single direction (usually measured in amps)
electric current
electric force
electric field
electric charge
The force that causes charges to move
electric current
voltage difference
electric field
Charge flows from LOW to HIGH voltage areas
True
False
The larger the difference the greater the current
True
False
A closed path an electric current flows through
(a)
A device that converts chemical energy to electric energy?
electroscope
battery
circuit
Electric energy from batteries flow from negative to positive energy
True
False
Resistance is the tendency of an object to resist the flow of electrons through it
True
False
Resistance is affected by 4 factors
True
False
Insulators have more resistance than conductors is one of the 4 factors of resistance
True
False
Large wire has more resistance is not one of the 4 factors of resistance
True
False
Small diameter wire has more resistance is one of the 4 factors of resistance
True
False
Higher temperatures is not one of the 4 factors of resistance
True
False
The amount of current is directly proportional to the voltage difference
(a)
