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Magnets/Motors Test
Test on magnetic energy, electric energy, electromagnets, and motors
| Question | Answer |
|---|---|
| Also known as heat energy | thermal energy |
| movement of electrons along a path | electric energy |
| stored energy | potential energy |
| energy created when the domains of a substance point in the same direction | magnetic energy |
| energy of motion | kinetic energy |
| average kinetic energy of the atom in a substance | thermal energy |
| a sled at the very top of a hill has a lot of ______________ energy | potential |
| Magnets have domains that are pointed in _________________ directions | similar |
| The south pole of a magnet will repel a _______________ pole | south |
| What is responsible for all magnetism? | spinning electrons |
| Can a magnet lose its magnetism if it is heated to extreme temperatures? | yes |
| What three things are necessary to make a motor spin? | battery, wire coil, and a magnet |
| The south pole of a magnet will attract a _______________ pole | north |
| Can a magnet lose its magnetism if it is hit really really hard? | yes |
| Non-magnetic objects have domains that are pointed in _______________ directions | different |
| Can a magnet lose its magnetism by soaking it in soda? | no |
| The north pole of a magnet will repel a ________________ pole | north |
| Motors covert electric and magnetic energy into ________________ energy. | kinetic |
| What special types of magnets can be turned on and off? | electromagnets |
| Two south poles of magnets will ____________. | repel |
| Would an ipod have a motor? | no |
| Would a fan have a motor? | yes |
| What special objects are found in speakers that help them make sound? | electromagnets |
| Would a calculator have a motor? | no |
| What are the opposite ends of a magnet called? | north and south poles |
| Would a toaster have a motor? | no |
| Would a blender have a motor? | yes |
| If more wire coils are added to an electromagnet, will the electromagnet become stronger or weaker? | stronger |
| Do all types of wires create strong electromagnets? | no |
| Will a stronger battery make a stronger electromagnet? | yes |
| If two magnets are farther apart from each other, will their magnetism be stronger or weaker? | weaker |
| Will a magnet still work if it is broken in half? | yes |
| When magnetic energy and ______________ energy interact in a motor, it is transformed into kinetic energy. | electric |
| In order for a magnet to pick up an object, it has to temporarily line up the ____________ in the object. | domains |
| Energy cannot be created or destroyed, it can only be _________________ from one type of enegry to another type. | transformed |
| What two parts of a light bulb need to be connected to a circuit? | metal side part and the bottom |
| What two parts of the batter need to be connected to a circuit? | positive and negative |
| How many paths does a series circuit have? | one |
| What happens when one bulb is taken out of a parallel circuit? | the other bulbs stay on |
| How many paths does a parallel circuit have? | more than one |
| What happens when one bulb is taken out of a series circuit? | all bulbs go out |
Created by:
edeboo
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