Would opening a fridge cool the room? What method of heat transfer would be at play?
Yes, convection & raidation
200
What is the smallest unit of matter?
An atom.
200
What is Newton's first law of motion?
Law of inertia, objects in motion stay in motion
200
What EM waves are used in radar, cellphones, satellites,
Microwaves
200
What is more then one simple machine called?
A compound machine
300
What makes something magnetic?
if it has iron in it and the domains are aligned
300
What particle in an atom has a neutral charge, negative, & positive charge?
Proton=positive
neutron=nuetral
electron=negative
300
what is newton's 2nd law?
f=mxa
or
Acceleration depends on mass and force
300
What are the colors on the visible light spectrum in order?
roygbiv (must be stated out not acronym)
300
Name all 6 simple machines
Lever
Pulley
Wheel & Axle
Inclined Planes
Wedge
Screw
400
What is Ohm's Law? (If I am looking for voltage)
V=IXR
400
He, O, Br, H, and Mg are all examples of?
Elements
400
Give an example of Newton's 3rd Law?
Will vary.
400
What waves are on the EM spectrum in order from smallest to largest amplitudes.
Radio, Microwaves, Infared, Visible Light, Ultraviolet, X rays, Gamma Rays
400
What forms of energy does a light bulb contain? (3)
thermal energy, light energy, electrical energy
500
What happens when a switch is open in a circuit? What type of circuit is best to wire a home and why?
There is no power. Series circuit because if one light goes out it will not cause all of the lights to go out.
500
what does the atomic number tell you? Where are valence electrons located?
how many protons and neutrons . Outer shell of an atom.
500
What is the acceleration of a 3kg mass if a force 15N is used to move the mass?
5m/s/s
500
What is reflection, Diffraction, and refraction?
Reflection-wave bouncing off barrier
Diffraction-wave bending around an object or going through an opening.
Refraction- wave going from 1 medium to another
500
What is mechanical energy? What is the difference between potential and kinetic energy? Give an example of Potential and Kinetic.
Potential stored, kinetic moving mechanical both together.