History of Electricity Reading Comprehension Questions Science


AC current can be increased and decreased, the DC current can’t



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AC current can be increased and decreased, the DC current can’t.
AC current can travel long distances while the DC current needs to be closer to the building it supplies. 
AC current requires transformers which the DC current does not as it is steady.
AC currents are higher in voltage than DC currents. 




History of Electricity Reading 
Comprehension Questions
Science
| Year 6 | Electricity | It's Electrifying! | Lesson 1
1. What does the word ‘electricus’ mean?
2. What key discoveries did the following scientists make? (Pick only 
one
)
William Gilbert
Alessandro Volta
Michael Faraday
Thomas Edison
Lewis Latimer 
3. Did Thomas Edison invent the lightbulb?
4. What modern electrical appliances use a motor? (Give 
two
examples)
5. The voltaic pile ensured a steady electric current. Why did this lead to the wider use of electricity?
Read each question carefully and answer questions in 
sentences
.
I can explain the importance of the major discoveries in electricity.


6. How are the AC and DC currents different? Include 
two
examples.
7. Who won the war of the currents and why? 
Science
| Year 6 | Electricity | It's Electrifying! | Lesson 1



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