Machines & Tools
Light
Sound
Energy
Structures & Mass
Force & Motion
Colors of the Rainbow
100
__________ is a device that makes work easier.
a) frame
b)machine
c) lubricant
machine
100
A material that can scatter light is:
a) Opaque
b) Translucent
c) Transparent
TRANSLUCENT
(Clouds and textured glass are examples of translucent objects.)
100
The measurement of one crest of a wave, to another is called what?
wavelength
100
To ________ energy is to change it from one kind of energy to another.
CONVERT
(Remember Converted energy is changed - Transferred energy is moved)
100
The base of a building is called what?
Foundation
100
True or False - Unbalanced forces do work.
TRUE
Unbalanced forced do work, and balanced forces prevent work.
100
The first color of the rainbow is:
Red
200
Label the image:
Lever
200
Light that bounces, or is thrown back is called _____ light.
a) refracted
b) generated
c) reflected
reflected
(Remember Reflect = bounce back, Refract = bend)
200
The highest point of a wave is called:
crest
200
Coal and other fuel sources are examples of what type of energy?
Potential Energy
200
Label the photo:
Frame
200
An object at rest will ___________ unless acted upon by an unbalanced force .
stay at rest
200
The second color of the rainbow is:
Orange
300
A wheel and ______ is a machine that helps overcome friction.
Axle
300
Light and sound are examples of what type of energy?
a) Potential
b) Kinetic
c) Converted
Kinetic
300
Sound is a form of energy that is released when an object _________.
a)vibrates
b) refracts
c) shines
Vibrates
300
Material that easily transfers energy is called what?
a) opaque
b) potential
c) conductor
conductor
(NOTE: The copper wires inside a cable are a conductor - you will need to be able to label that on a photo of a cut open cable)
300
Label the photo::max_bytes(150000):strip_icc()/residential-construction-site-foundation-walls-184391602-58a5ccf85f9b58a3c9ad94bb.jpg)
Foundation
300
Inertia is a ____________ of all matter.
Property
300
The third color of the rainbow is:
Yellow
400
Label the image:
Pulley
400
Something that gives off light is called:
luminous
400
The highness or lowness of a sound is called:
pitch
400
The outer, rubber layer of an electrical cord is a:
a) Insulator
b) Conductor
a) Insulator - the outer rubber layer of an electrical cord is the insulator.
Note: The copper wires on the inside of an electric cord/cable is the conductor.
400
Particles that make up a molecule are called what?
atoms
400
_________ increases with a rough surface.
a) lubricant
b) force
c) friction
Friction
400
The fourth color of the rainbow is:
Green
500
The frame is the base of a building.
FALSE - The foundation is the base of a building.
500
What do you call a material that blocks light?
opaque
500
Loudness or softness of a sound is called
Volume
500
Stored, waiting, energy is called:
a) current
b) conductor
c) potential
Potential
500
True or False, an upright pyramid is the most stable shape.
True
500
__________ is the ability to do work.
Energy
500
The fifth color of the rainbow is:
Blue
600
Name the part of a lever that holds and balances weight.
fulcrum
600
A material that transmits light is called what?
transparent
(Transparent = see-through, Opaque = you can't see through)
600
The lowest point of a wave is called __________.
trough
600
Kinetic energy is __________________.
moving, working energy
600
All matter is made of particles called:
a) molecules
b) fulcrum
c) property
molecules
600
An example of something with less mass than an elephant would be:
a) a jet plane
b) a grocery store
c) a mouse
A mouse
600
The last color of the rainbow is:
Violet
700
Label the photo:
Inclined Plane
700
The bending of light is called:
Refraction
700
Sound and light both travel in:
a) waves
b) static
c) inertia
Waves
700
A material which cannot easily transfer energy is called:
insulator
(NOTE: The rubber coating on the outside of a cable is an insulator - you will need to be able to label that on a photo of a cut open cable)
700
Which has more mass? A horse, or an elephant?
An elephant
700
Like poles of a magnet: repel or attract?
Repel
Like poles repel, and opposite poles attract
700
An easy way to remember the colors of the rainbow is by remembering this name:
ROY G. BV (pronounced Biv)