Static Electricity & Safety
- 1.What type of electrical charges attract eachother?
- A.
Negative
- B.
Polar
- C.
Opposite
- D.
Skinny ones
- 2.What is the name of the device used to measure static electric charge? ___________________
- 3.When a negatively charged object and a positively charged object are brought together, electrons transfer until both objects have the same charge. This is known as static cling.
- A.
True
- B.
False
- 4.The attraction or repulsion between charges.
- A.
Electric field
- B.
Electric force
- C.
Electric snatching
- D.
Energy
- 5.Name the 3 ways that charges can be transferred. ______________, ________________, ________________.
- 6.Static Electricity can...
- A.
Make a sock stick to a blanket
- B.
Run through a wire
- C.
Buildup on a person's hair
- D.
Catch mice
- 7.The Law of ____________________________________ states that Charges are neither created or destroyed, they are only transferred.
- A.
Electricity
- B.
McCurdy Rules
- C.
Conservation of Charge
- D.
Static Cling
- 8.Lightning is a form of static discharge.
- A.
True
- B.
False
- 9.Like charges _________________.
- 10.A short circuit is
- A.
A circuit which has a really short wire.
- B.
A circuit that allows the current to take the path of least resistance.
- C.
A robot that can mow your lawn.
- D.
When a computer blows up.
- 11.The 3rd prong on a plug in is known as the circuit breaker.
- A.
True
- B.
False
- 12.A _____________ is a device that contains a thin strip of metal that will melt if there is too much current through it.
- 13.Electric shocks can interfere with the body because.
- A.
They can travel through water
- B.
Our involuntary functions are run on electrical impulses (heart rate etc..)
- C.
Most people are immune to electric shocks
- 14.A circuit breaker is a reusable safety switch.
- A.
True
- B.
False
- 15.You should always keep water near your computer incase it starts on fire.
- A.
True
- B.
False
- 16.You can plug a maximum of 10 plugs into one outlet
- A.
True
- B.
False
- 17.The severity of a shock is more determined by the current of the circuit rather than the voltage.
- A.
True
- B.
False
- 18.Only this part of the atom is what can be transferred.
- A.
Electrons
- B.
Protons
- C.
Neutrons
- 19.An electron has this type of charge.
- A.
Positive
- B.
Negative
- C.
Neutral
- 20.If an object loses electrons its charge is said to be what?
- A.
Positive
- B.
Negative
- C.
Neutral
- 21.The strength of an electric field is determined by.
- A.
How much friction is created
- B.
How close the electric field lines are to each other
- C.
How much it lifts weights
- 22.If an object gains electrons it is positively charged.
- A.
True
- B.
False
- 23.Charging by ___________________ is when two objects come near each other but do not touch.
- 24.Socks being shuffled across the floor is an example of charging by conduction.
- A.
True
- B.
False
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