When shape, size or state of matter is altered it is a
100
kinetic energy
energy of motion is called
100
Atom
What is the smallest unit of any element?
100
meter
In the metric system what is the standard unit of length?
100
independent or test
The variable that is being changed or compared in an experiment is called the _______________ or _______ variable.
200
change in color
change in odor
formation of a gas
What are three evidences of chemical change?
200
radiant energy
Solar energy (from the sun) is usually called
200
protons and neutrons
The nucleus of the atom is made up of what two particles?
200
100
There are _______________centimeter in a meter?
200
dependent or outcome variable
What is the variable that is being measured or is a result of the experiment is the ___________ or ________________
variable
300
Acidic is low end 1-6.
On the pH scale (1-14) which end is acidic, 1-6 or 8-14?
300
gamma waves
What is the highest energy wave in the electromagnetic spectrum?
300
protons
On the periodic table the atomic number is the same as the number of ______________?
300
graduated cylinder
For accurate liquid measurement in science you would use the tube called a _____________________.
300
replication
In an experiment, repeating the experiment over several trials is called repetition and is designed to create an average of results. When the entire experiment is performed by another scientist it is called _______________.
400
Seven
A soulution that is neutral has a pH of ______?
400
convection
What is a transfer of heat by movement or circulation in a medium?
400
molecule
Two or more atoms chemically bond to make a different substance. What is the name of one particle of that substance?
400
scientific notation
The system scientists use to make very big and very small numbers manageable is called _____________________.
400
line graph
To display data scientists often use different types of graphs. A ____________ graph is usually used to show trends over a period of time.
500
change of state is a physical change
Water boiling and becoming steam is an example of chemical or physical change?
500
density
The ratio of mass of a substance to volume of the substance is called ______________.
500
Scientific method
Considering observations and asking questions are the fist steps of the ___________________.