What field is dedicated to solving technical problems and improving systems?
Engineering
What do you use to organize your data in scientific experiments?
Data table
What do you call a substance that is made up entirely of one kind of atom?
Element
What changes indicate that a physical change has happened?
Size, temperature
What charge does a neutron have?
What do you call a limitation of an engineering design project?
Constraint
What do we use in science to physically represent a system of ideas/processes?
What do you call a substance that is made up of 2 or more different kinds of atoms?
Compound
What changes indicate that a chemical change has happened?
Color, smell, creation of gas
Give an example of a compound.
H20, CO, CO2, C6H12O6
What do you call a decision you make based on evidence?
Conclusion
What kind of chart would you use to show data as proportions (pieces) of a whole?
Circle graph, Pie chart
Which particle has a positive charge?
Proton
The wax burning on a candle produces carbon dioxide. What kind of change is this?
Chemical
If an atom has 4 protons and 2 neutrons, how many electrons would it need to be stable?
4
What are the things being changed in a scientific experiment?
Variables
What do you call data that has to do with numbers?
Quantitative
What is the chemical symbol of oxygen?
O
When air pressure is lower, what happens to the boiling point of water?
Boiling point is lower
What do you call the change of state that happens when solid changes to a gas, skipping the liquid state?
Sublimation
What is this statement an example of?
"If corn plants get more fertilizer, then they will make bigger ears of corn"
Hypothesis
What do you call the line that shows general trends on a scatterplot?
Line of best fit
What is the group on the very right end (group 18) of the periodic table called?
Noble gases
List 3 different changes of state.
Freezing, melting, evaporation, sublimation, deposition, condensation
What do you call the area around the atom that electrons can exist in?
Electron cloud