The first step in the scientific method.
What is observations?
Anything that has mass and takes up space.
What is matter?
These always count as significant figures.
What is a non zero integer?
the subatomic particles atoms contain.
What is protons, neutrons and electrons?
A measurement always has some degree of this.
What is uncertainty?
A hypothesis must be
What is testable
Has definite shape and volume.
What is a solid?
How many sig figs does this number have?
1524
What is 4?
Makes up 99.99% of the mass inside an atom.
What is the Nucleus?
How close a measurement is to the true value.
What is accuracy?
The factor that remains constant throughout the experiment.
What is control?
The energy level in particles of liquid.
What is medium energy level?
Trailing zeros only count if the number has a...
What is decimal?
Determines the volume of an atom.
What is the electron cloud?
How close a series of measurements are to one another.
What is precision?
The factor that is measured or observed.
What is the dependent variable?
Electrically charged state of matter.
What is plasma?
Have an infinite number of significant figures.
What is exact numbers?
what Subatomic particles are measured in.
What is atomic mass units (amu) ?
The two parts of a measurement.
What is number and unit?
A scientist designed an experiment that tested the rate in which pop rocks dissolved in different types of liquids. What is the dependent variable in this experiment?
The amount of time it takes for the pop rocks to dissolve.
When energy is taken away, particles move at this speed.
What is slower?
How many sig figs does the following number have?
1.0070
What is 5 sig figs?
Electrons that fill the outermost level of the electron cloud.
What is valence electrons?
Measurements are preformed with...
What is instruments?