Show:
Light
Sound
Matter
Scientific Meathod
Vocabulary
100
Light waves travel in?
What is straight paths
100
Sound is a form of energy that is produced by?
What is vibrations
100
The three states of matter are?
What is solid, liquid, and gas.
100
Using one or more of your five senses is?
What is observation
100
A reflected sound wave
What is an echo
200
An object that does not let light pass through is?
What is opaque
200
Sound does not travel in a?
What is a vacuum
200
These usually can not be seen and have no definate shape or volume
What is a gas
200
A factor that could be changed during an experiment is?
What is a variable
200
the production of magnetism by electricity
What is electromagnatism
300
Thomas Edison invented?
What is the light bulb
300
This is the distance between two crest
What is a wavelength
300
In this state of matter the molecules are packed closest together.
What is a solid
300
This never changes in an experiment.
What is the constant
300
anything that has mass and takes us space
What is matter
400
This is a cut piece of glass that seperates white light into the visible spectrum.
What is a prism
400
Sound travels fastest through this state of matter
What is a solid
400
When heat is added to a liquid this is called?
What is evaporation
400
The variable that responds during an experiment
What is dependent variable
400
the smallest unit of an element
What is an atom
500
Red, Orange, Yellow, Green, Blue, Indigo, and Violet are colors of the what?
What is the visible spectrum
500
A unit for measuring frequency is
What is hertz
500
Removing heat from a state of matter makes the molecules move how?
What is slower
500
Before you do an experiment you guess at what you think will happen. This is called a?
What is hypothesis
500
a tool used to help identify objects and organisms
What is classification key