Show:
physics
chemistry
geology
astronomy
random
100
To make an educated guess
What is hypothesis
100
Application of knowledge to solve human needs
What is Technology
100
most useful information
What is periodic table
100
describe how one thing reacts with another
What is chemical properties
100
allows studers to probe 50000 years into the past
What is carbon 14 dating
200
standard for comparison
What is Experimental control
200
In which the symbols for the elements are written together
What is chemical formulas
200
a mixture of 2 or more metallic elements
What is alloys
200
properties that describe the 5 senses of something
What is physical properties
200
the study of matter and transformation it can under go
What is chemistry
300
Explains why something happens
What is theory
300
The number of protons in the nucleus of an atom
What is atomic structure
300
1-18 across the top
What is groups
300
splitting of a necleus into fragments
What is nuclear fission
400
Describe what happens
What is Law
400
The number of protons plus number of neutrons
What is atomic structure
400
7 peroids along left hand side
What is periods
400
opposite of nuclear fission
What is nuclear fussion
500
It is fake science
What is pseuscience
500
the number of protons plus number of neutrons.
What is atomic mass number
500
atoms of the same element with diffrent number of neutrons
What is isotopes
500
new materials are formed by a change in the way atoms are bonded together
What is chemical reaction