Terms
a physical substance that has weight and takes up space
matter
The _________ is the top of a light wave.
crest
The freezing point of water is:
A: 32 degrees F
B: 42 degrees F
C: 30 degrees F
D: 0 degrees F
A: 32 degrees F
The molecules in a solid are very dense.
True
List the colors of the spectrum in order.
Orange
Yellow
Green
Blue
Violet
how tightly packed molecules are in an object
density
A ____________ helps us separate white light into its different colors
prism
The boiling point of water is:
A: 100 degrees F
B: 200 degrees F
C: 98 degrees F
D: 212 degrees F
D: 212 degrees F
A moving object has kinetic energy.
True
What happens when light is bent while traveling through one kind of matter to another?
Refraction
the ability to do work
energy
A ____________ is a dark area or shape cast by an opaque object
Shadow
A: bounces light back
B: allows light to pass straight through
C: allows light to go through, but scatters it
D: blocks light
B: allows light to pass straight through
The three types of matter are liquid, gas, and vapor.
False
What happens when energy is moved from one place to another?
Energy transfer
moving, working energy
kinetic energy
A buildup of electrical charge is called _________
Static electricity
The distance from one crest to the next crest is a:
A: prism
B: spectrum
C: wavelength
D: shadow
C: wavelength
Liquids keep their shape.
False
What is potential energy?
a particle that makes up a molecule
an atom
Bouncing light is called ___________
reflection
Sound is a form of energy that is released when an object:
A: vibrates
B: waves
C: refracts
D: pushes
A: vibrates
When energy is moved from one thing to another, it is called converting energy.
False
What is a machine called that converts mechanical energy into electrical energy?
A generator