GNED 1101 FINAL UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

GNED 1101 FINAL UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS

Question:
1. 5-step Method
Answer:
1.Observation
2.Question
3.Hypothesis
4.Experiment
5. Evaluation

Question:
2. Hypothesis
Answer:
Educated guess, must have a variable that can be proven true or false, must be innovated- has 3 variables:
dependent, independent, cofounded

Question:
3. theory
Answer:
isn't false, but has been disproven by testing or replication

Question:
4. 2 types of observation
Answer:
1. Qualitative- not proven true- fake science
2. Quantitative- real science- proven true and backed up with data

Question:
5. What makes up the universe
Answer:
Energy and Matter

Question:
6. What process releases bond energy
Answer:
Combustion

Question:
7. Combustion
Answer:
breakdown of 2 particles that release energy. Chemical reaction that causes energy to be released.

, Question:
8. Whats in an atom
Answer:
proton, electron, neutron

Question:
9. Mass defect
Answer:
the difference between the mass of an isotope and mass number- when you don't have equity

Question:
10. Energy- Mass Equivalence
Answer:
e=mc2-- rest mass energy of an object

Question:
11. Sources of Energy
Answer:
1.coal
2.wind
3.solar
4.hydro
5.geothermal
6.biofuels
7.oil
8. natural gas
9. nuclear

Question:
12. Conservation of Energy
Answer:
energy cannot be created or destroyed, it may be transformed, but the total amount never changes

Question:
13. Radioactivity
Answer:
a steady but unpredictable process, found in the nucleus of an atom and fakes place entirely

Question:
14. Bq
Answer:
the activity of a quantity of radioactive material that decays in which one nucleus per second

Question:
15. Relative time vs Absolute Time
Answer:
r= chronostratic a= chronometric, obtained via radiometric dating methods