MAGNETISM
LIGHT
NEWTON'S LAWS AND WAVES
FORCES
MISC
100
What side of a magnet is attracted geographic north?
The south side.
100
The light visible to the human eye has various frequencies and _____.
What are colors?
100
Name two types of waves.
Electromagnetic, Longitudinal, Mechanical.
100
Things stop moving after a while because of..
What is friction?
100
How are we able to see the moon?
The sun's reflected light reaches earth after bouncing from the moon.
200
A device that allows easier traveling using natural magnetic poles.
What is a compass?
200
How do prisms allow us to see rainbows?
What is color/light separation?
200
A wave that is made up of compressions and expansions rather than crests and troughs.
What is a Longitudinal Wave?
200
What is acceleration?
The speeding up of an object in motion.
200
An increase or decrease in frequency caused by the motion of a source of sound.
What is the Doppler Effect?
300
Do all magnets have a north and south pole?
Yes.
300
Which travels faster, sound or light?
What is light?
300
The property of an object that resists changes in motion.
What is inertia?
300
Is friction always the same force value, if so, what is the value?
No, friction is dependent on the surface on which an object travels.
300
Something with a direction and a value.
What is a vector?
400
Name something that effects or damages the strength of a magnet.
Dropping it, because it jostles the domains.
400
The bending of light when traveling through different mediums.
What is refraction?
400
The throwing back by a body or surface of light, heat, or sound without absorbing it.
What is reflection?
400
When an object is pushed off a table, what is the path the object will take?
It will fall while traveling in the direction of the push.
400
When something breaks the sound barrier, the noise created is also called..
What is a Sonic Boom?
500
Magnetic field lines travel from the ___ pole to the ___ pole.
North, south.
500
If blue, and red light is absorbed by an object, what color do we see the object as?
Green.
500
Describe one of Newton's laws.
Objects in motion tend to stay in motion, actions create reactions, F=ma
500
If someone pushes something and it doesn't move, with what force did the object push back with?
The same force the person pushed the object with to begin with.
500
Does sound travel fastest in metals, liquids or gases?
Metals.
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