Year 8 Science
Electricity Internet Search 2
Name: ____________________________
1. Draw an atom of an element showing their sub-atomic particles: electrons, protons and
neutrons. Label them and the nucleus.
2. Find out the charge of electron, proton and neutron.
http://www.historyforkids.org/scienceforkids/physics/electricity/
3. What is the difference between a conductor and a insulator of electricity? Give 2 examples of
good conductors and 2 examples of good insulators.
4. What is Electricity?
http://www.eia.gov/kids/energy.cfm?page=electricity_home-basics-k.cfm
5. Why does electricity “a secondary energy source”?
6. Name 2 famous scientists who are important in discovery or invention of electricity. What was
the achievement of each of them.
7. What are the common sources of electricity in Australia?
http://www.world-nuclear.org/info/inf64.html
8. What are the renewable sources of energy?
http://www.energymatters.com.au/renewable-energy/
9. What are the Pros and Cons of Wind and Solar Energy? (Give an example for each)
http://saveenergy.about.com/od/alternativeenergysources/a/altenergysource.htm
10. What is a circuit? You need to include the main parts of a circuit.
http://www.wisegeek.com/what-is-an-electrical-circuit.htm
11. Draw a series and a parallel circuits, each with 2 light bulbs with the same power (watts).
12. Give 2 differences between the above 2 circuits.
Series circuit
Parallel circuit
No. of loop(s)
Brightness of the light bulbs
What happens to the other
bulb if one bulb is removed?
13. Give examples how we use electricity at home and in school.
http://www.alliantenergykids.com/EnergyBasics/AllAboutElectricity/000417
14. How would life be without electricity? Mention 5 main problems.
http://wiki.answers.com/Q/How_would_life_be_with_no_electricity
15. How Electricity Works? The Mighty Atoms Animation – summarise in 3-4 points.
http://users.pipeline.com.au/~jpearce/HowElectricityWorks.swf
16. Making some electric circuits with switches and a few light bulbs.
http://gwydir.demon.co.uk/jo/elect/intro.htm
Crocodile Physics – find from the Application.