to write numbers that are microscopically small or astronomically large.
100
This number tells you how much matter is in a given space.
What is density?
100
One of the contributors to the periodic table?
Who is Dmitri Mendelev?
100
The best movie of all times.
What is Toy Story?
200
a pure substance that is uniform in composition
What is an element?
200
move the decimal till you have formed a number between 1 and 10.
What is the first step of the scientific method?
200
This law explains how elements can combine differently and their composition may differ by whole number ratios.
What is the Law of Multiple Proportions?
200
Am organized chart that categorizes the elements based on their chemical and physical properties.
What is periodic table?
200
Name the 2 countries that experienced devastating earthquakes.
What are Haiti and Chile?
300
A property of matter that distinquishes matter based on color,texture, density and mass.
What is physical property?
300
Convert 656000000000000 to scientific method.
What is 6.56 X 10^14?
300
This law explains how the mass of the reactants is equal to the mass of the products.
What is Law of Conservation of Mass?
300
The Roman numeral at the top of the column tells you what about the elements.
What is the number of valence electrons?
300
In an attempt to save the planet from harmful envirnmental pollutions, this phrase is use to minimize harmful carbon dioxide levels and maximize the use of renewable energy sources .
What is "going green"?
400
a mixture in which the solution's composition is the same throughout
What is homogeneous mixture?
400
Convert .00000000000723 to scientific method.
What is 7.23 X 10 ^-12?
400
This law states that for elements of a given compound, the composition will always be the same.
What is the Law of Definite Proportions?
400
The 3 major groups of elements on the periodic table are
What are metals, nonmetals, and metalloids?
400
The name of the largest atomic smasher located in Cern Switzerland.
What is the Large Hadron Collider?
500
List the 4 indicators that a chemical reaction has occurred?
What are heat, gas formation, color change and smell or odor?
500
add 5.56 X10^6 + 23.2 X 10^5=
What is 7.88 X10^6
500
List the 4 methods used to seperate mixtures.
What are chromatography, distillation, crystallization and filtration?
500
This number tells you how many protons are electrons located within the atom.
What is atomic number?
500
The best girl and boy high school basketball team is at