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How can a person who doesn't eat well get the vitamins and minerals they need?
diet supplements
What is the area around a magnet called that contains an invisible force?
the magnetic field
Do magnets have to touch something to work?
no
What are the three parts in an electrical circuit?
battery, wire, light bulb
If you rub a balloon on a wool sweater, what will happen if you try to stick it to the wall?
it will stick to the wall because the balloon is positively charged and the wall is negatively charged
What is static electricity?
electricity that jumps from object to object
Give me an example of static electricity?
lightning, socks on carpet then touching metal.
What are 2 differences between parallel and series circuits?
series has one path, parallel has more than one. In series 1 goes out they all do, parallel not
What happens to the lightbulb if a circuit is open?
the electrons can't complete the circuit, the light won't turn on
What makes something "magnetic"?
It must contain iron, copper or steel(cobalt)
What is the difference between attract and repel?
attract comes together, repel pushes apart
How do potential and kinetic energy make mechanical energy
potential energy-sits there, kinetic- starts moving, mechanical is the motion caused by the potential and kinetic together.
What color object absorbs all the colors of the rainbow?
black
What color object reflects all the colors of the rainbow?
white
