Electrical Energy Pre-test
There are different types of energy. The most common today is the electrical energy, which is used and converted into other different forms of energy to help run machines. Gauge how much you know about this form of energy below.
- 1.
Electricity is the flow of:
- A.
Protons
- B.
Neutrons
- C.
Electrons
- D.
Light
Correct Answer
C. Electrons -
- 2.
The nucleus of an atom contains:
- A.
Protons and neutrons
- B.
Protons and electrons
- C.
Neutrons and electrons
- D.
Only electrons
Correct Answer
A. Protons and neutrons -
- 3.
Protons have a ____________ charge.
- A.
Negative
- B.
Neutral
- C.
Positive
- D.
None of the above
Correct Answer
C. Positive -
- 4.
Valence electrons are located in the:
- A.
Outermost shell level of an atom
- B.
The shell closest to the nucleus of an atom
- C.
In the nucleus of an atom
- D.
Valence electrons are not in atoms
Correct Answer
A. Outermost shell level of an atom -
- 5.
An atom's "atomic number" tells us how many______________ it has.
- A.
Protons
- B.
Neutrons
- C.
Electrons
- D.
Both A and C
Correct Answer
D. Both A and C -
- 6.
Lithium has an atomic number of 3. How many valence electrons does it have?
- A.
1
- B.
2
- C.
3
- D.
0
Correct Answer
A. 1 -
- 7.
If an atom has 1-4 valence electrons, it likes to:
- A.
Hold on to them tightly and not allow energy to flow through
- B.
Give them up and therefore energy flows easily through it
- C.
It just depends on how it's feeling that day
- D.
Sit back and wait for more to come to it
Correct Answer
B. Give them up and therefore energy flows easily through it -
- 8.
Materials that allow energy to flow through them are called:
- A.
Insulators
- B.
Semiconductors
- C.
Conductors
- D.
None of the above
Correct Answer
C. Conductors -
- 9.
Materials that do NOT allow energy to flow through them are called:
- A.
Insulators
- B.
Semiconductors
- C.
Conductors
- D.
None of the above
Correct Answer
A. Insulators -
- 10.
The PATHWAY in which electrical energy flows is called a:
- A.
Current
- B.
Resistor
- C.
Terminal
- D.
Circuit
Correct Answer
D. Circuit -
- 11.
The FLOW of electrical energy through a circuit is called a:
- A.
Circuit
- B.
Current
- C.
Resistor
- D.
Volt
Correct Answer
B. Current -
- 12.
When the flow of electrical energy has opposition (something is pushing against it making it difficult for it to get through the pathway), it is called:
- A.
Resistance
- B.
Voltage
- C.
Current
- D.
Circuit
Correct Answer
A. Resistance -
- 13.
Metals tend to be good ____________.
- A.
Insulators
- B.
Resistors
- C.
Conductors
- D.
Circuits
Correct Answer
C. Conductors -
- 14.
When an electrical current is run through a metal such as iron, it turns that metal into a
- A.
Magnet
- B.
Shock
- C.
Static
- D.
Melted mess
Correct Answer
A. Magnet -
- 15.
In an OPEN circuit, the light bulb will be:
- A.
On
- B.
Bright
- C.
Off
- D.
Dim
Correct Answer
C. Off -
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Jan 19, 2021Quiz Edited by
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Jan 09, 2015Quiz Created by
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