ELECTRONICS

Which is the BEST way to heat and cool our homes?

• coal

• geothermal

• nuclear

• oil

Why do you think so? It ______.

• it is a fossil fuel

• is “renewable” - it never runs out

• can save our environment for future generations

• s both B and C

Which causes magnetism? It is due to the motion of electrons as they ______.

• spin on their axes

• move around the nucleus

• both of these

• none of these

What will be your charge if you scrape electrons from your feet while scuffing across the rug? You will become ______.

• neutral

• positively charged

• negatively charged

• cannot be determined

What do you call the process of gaining or losing electrons in an atom?

• conduction

• induction

• ionization

• insulation

What do you call the solar energy stored in material such as wood, grain, sugar, and municipal waste?

• biomass

• fossil fuels

• geothermal energy

• natural gas

Which sub - particles are found inside the nucleus of an atom?

• protons

• neutrons

• electrons

• both A and B

To which pole of a magnet is an iron nail more strongly attracted to?

• cannot really tell

• north pole of a magnet

• south pole of a magnet

• north or south pole, no difference really

Which of the following is an example of a nonrenewable energy?

• coal

• biomass

• solar

• wind

What happens when you rub electrons from your hair with a comb? The comb becomes ______.

• neutral

• positively charged

• negatively charged

• cannot be determined