Vocab
nonliving matter and energy
What is the study of Physical Science?
days, weeks, seasons, elemental patterns
What is evidence of order in nature?
electrons, neutrons, protons
What are atoms made of?
Peer review
International System of Units
What does SI stand for?
precision
What describes the degree of exactness of measurement such as using decimal points.
A system of moral values or proper conduct.
What is ethics?
A measure of gravity, which can change with location.
What is weight and can it change?
Analysis
What is the process of understanding gathered date?
ampere
What SI unit is used for electric current?
accuracy
What compares a measurement to the accepted or expected value of a measurement.
A change in matter that does not alter the composition of a substance. boiling water.
What is a physical change? Give an example.
The amount of matter in an object.
What is mass?
investigation
What step in Scientific Inquiry involves the experiment?
candela
What SI unit is used for measuring light?
Two different elements that are chemically combined.
What is a compound?
A change that alters the chemical composition of substances. burning gasoline.
What is a chemical change? Give an example.
It can neither be create nor destroyed. The amount cannot change but it can change forms.
What is the Law of Conservation of Matter?
Hypothesis
What is the initial, testable explanation of a phenomenon?
The SI unit used to measure the amount of a substance.
What is the mole?
Two different elements that are physically combined.
1. homogeneous - a mixture that doesn't have a uniform appearance
2. heterogeneous - a mixture with a uniform appearance
What is a mixture and what are the two types?
Motion is the constant, random motion of particles found in fluids that result in particle collisions.
What is Brownian motion?
Anything that occupies space and has mass.
What is matter?
research
What process allows scientists to find out what others already know about the topic?
The basic building block of all matter.
What is an atom?