Unit 1
The scientific process
What is a process that includes observation, hypothesis, testing the hypothesis and conclusion
The two factors that contribute to an object’s kinetic energy
What is mass and speed
Inventor of the periodic table
What is Dmitri Mendeleev
Where the products and reactants are located in a chemical equation
What is reactants are on the left side of the equation and products are on the right side of the equation
Mixture with 2 separate properties that can be easily identified
What is a heterogenous mixture
Scientists typically run multiple trials for the experimental group
What is to minimize errors
Thermal energy
What is heat (temperature)
Names that are used to refer to the rows and columns of the periodic table
What is periods and groups/families
Numbers that can be changed in order to balance a chemical equation
What is coefficient
Mixture with each component evenly distributed throughout
What is a homogenous mixture
Scientists share their work with and communicate by
What is a peer reviewed journal
Examples of an object in the gas state.
What is water, air, natural gas, hydrogen, carbon dioxide
Henry Moseley’s contribution to the organization of the periodic table
What is the atomic number
Substance that must be involved in a combustion reaction
What is oxygen
Way to separate an alloy
What is by physical means