Experimental Design
The process of carrying out research in an objective and controlled fashion so conclusions can be drawn regarding a hypothesis statement.
What is experimental design?
Measurement system scientists use...
What is the International System of Units (SI)?
A pure substance that is only made up of one type of atom
What is an element?
Formula with Na+ and Cl-
What is NaCl?
The percent by mass of each element in a compound.
What is percent composition?
The variable that goes on the x-axis
mass / volume
What is density?
Smallest unit of an element
What is an atom?
Simplest whole number ratio of atoms present in a compound.
Curved surface on the top of a column of liquid
What is a meniscus?
Graph that demonstrates changes over time
What is a line graph?
How many hours are in 60,000 minutes?
Gas to a solid
What is deposition?
Al2O3
What is aluminum oxide?
Find the percentage composition of Cu in this compound: CuBr₂ (round to the tenths)
28.5%
Does how long you sleep affects your test scores?
How long you sleep is the...
What is the independent variable?
Convert 56100 mm into m
56.1 m
Starting substances in a reaction
What are reactants?
SnI4
What is Tin (IV) iodide?
3.2 years in seconds
What is 100,915,200 seconds
TRUE or FALSE: A larger sample increases confidence in the accuracy of a study.
What is true?
500 grams of sugar occupies a volume of 0.315 liters. What is the density of the sugar in grams per milliliter?
1.587 grams per milliliter
Mass cannot be gained or lost in a chemical reaction or physical change
What is the law of conservation of mass?
Formula of Phosphate
What is PO43- ?
2.5 mol CuSO4 in grams
What is 399.05 g?