Light
Newton's Laws
Work, Force, and Motion
Electricity
Magnetism
100
We see color because light is _____ off of an object.
a) absorbed
b) diffracted
c) reflected
d) refracted
c) reflected
100
Every action has an equal and opposite reaction.
Newton's 3rd Law
100
How much force do I need to accelerate a 2.5 kg object 4 m/s2 ?
F=ma
10 N
100
Electricity is the flow of....
Electrons
100
Is the geographic north pole also the magnetic north pole?
No!
200
What is it called when some light is allowed to pass through an object, but not enough to make out a clear image? (like a curtain or wax paper)
Translucent
200
An object in motion stays in motion, and an object at rest stays at rest, unless acted upon by an outside force.
Newton's 1st Law
200
I push a couch 12 feet with a force of 3 N. How much work did I do?
W=FD
36 J
200
When you rub a balloon on your shirt, it sticks to the board because of....
Static electricity (or moving electrons)
200
Which end of a bar magnet will the needle of a compass point to?
The South (negative) end
300
What is the bending of light called?
a) Absorption
b) Diffraction
c) Reflection
d) Refraction
d) Refraction
300
Force = mass x acceleration
Newton's 2nd Law
300
I drove 65mph east to visit a friend. Was this my speed or velocity?
Velocity
300
Opposite charges ___________, while like charges ___________.
Attract, repel
300
If you break a magnet, what happens to the magnet pieces?
They also become little magnets
400
Which part of the Electromagnetic Spectrum has the longest wavelength and lowest frequency?
Radio Waves
400
When a car slams on brakes, you keep moving until the seat belt catches you.
Newton's 1st Law
400
A cheetah speeds up from 5mph to 25mph over the course of 2 seconds. What was her acceleration?
A = fv - iv / t
10 m/s2
400
Electricity flows through copper wires because metal is a good....
Conductor
400
How can you turn an iron nail into a magnet?
By running an electrical current around it.
500
Which part of the Electromagnetic Spectrum has the shortest wavelength and highest frequency?
Gamma Rays
500
When you let go of a balloon, the air shoots out and the balloon flies away.
Newton's 3rd Law
500
I use a force of 15 N to move a 25kg object 10 feet. It took me 3 seconds. How much power did I use?
W = FD
P = W/T
50 W
500
In a ____________ circuit, the current flows from one lightbulb into another. In a _____________ circuit, the current has a path from each lightbulb back to the power source.
Series, parallel
500
When making an electromagnet, the _______ coils around the nail, the stronger the current (and magnet) will be.
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