Basic Science
What is a theory?
Explains a related set of phenomena but not describes
4 states of matter?
Solid, Liquid, gas, plasma
What did the greeks believe about the atom?
They thought matter was just the shape they had, and solids had hooks and things, etc
What is the chemical symbol for gold?
Gold
What high school did i go to?
Gervais, go cougs
what is the SI unit for mass?
kg
heterogeneous versus homogeneous mixtures?
homogenous - uniform mixture
heterogenous - nonuniform mixture
who has the Plum Pudding model? introducing electrons into a positive material
JJ Thomson!
What is the most abundant gas in Earth’s atmosphere?
Nitrogen! Like 70-30 over oxygen
How many countries have i been to?
9! mexico, italy, canada, france, england, switzerland, turkey, scotland, germany
how many kilometers is 3000 meters?
3 Km of course
Physical property versus chemical property? provide an example for each
Physical - observed change without altering composition
chemical - changes the chemical composition
Who took on the idea of the nucleus? Proving it with gold foil
Rutherford! Who else?
Which group contains the noble gases, and why are they so unreactive?
18! they have 8 valence electrons of course
How many tattoos do i have?
3!
Accuracy versus precision?
accuracy compares your answer to the assumed measurement, and precision is the exactness of it
The particle spacing is close, the shape is fixed, the particle motion is in place, and a fixed volume.
What state of matter is this?
Solid duh
Saturnian model that led to the nuclear model, he's never given enough credit
Nagaoka!
Stegosaurus lived in the Late Jurassic, and T. rex lived in the Late Cretaceous. Which is closer in time to us: T. rex or Stegosaurus?
T rex!! obv, so cool
What semi major surgery did i have in 8th grade?
Appendix, it burst and tried to kill me
list all steps of scientific inquiry
observation, questions, research, form hypothesis, investigate, analysis, conclusion, and communication
What is sublimation?
a solid to a gas
Whos model do we all draw due to simplicity?
What is the difference between an ionic bond and a covalent bond? Give one example of each.
Covalent = sharing , H2O
Ionic = transfer, NaCl
What do i have a fear of?
Deep water