Gned 1101 Final Questions, Answers| Newest
Update 2026/2027
5-step Method
1.Observation
2.Question
3.Hypothesis
4.Experiment
5. Evaluation
Hypothesis
Educated guess, must have a variable that can be proven true or false, must be innovated- has 3
variables: dependent, independent, cofounded
theory
isn't false, but has been disproven by testing or replication
2 types of observation
1. Qualitative- not proven true- fake science
2. Quantitative- real science- proven true and backed up with data
What makes up the universe
Energy and Matter
What process releases bond energy
Combustion
, Combustion
breakdown of 2 particles that release energy. Chemical reaction that causes energy to be
released.
Whats in an atom
proton, electron, neutron
Mass defect
the difference between the mass of an isotope and mass number- when you don't have equity
Energy- Mass Equivalence
e=mc2-- rest mass energy of an object
Sources of Energy
1.coal
2.wind
3.solar
4.hydro
5.geothermal
6.biofuels
7.oil
8. natural gas
9. nuclear
Conservation of Energy
Update 2026/2027
5-step Method
1.Observation
2.Question
3.Hypothesis
4.Experiment
5. Evaluation
Hypothesis
Educated guess, must have a variable that can be proven true or false, must be innovated- has 3
variables: dependent, independent, cofounded
theory
isn't false, but has been disproven by testing or replication
2 types of observation
1. Qualitative- not proven true- fake science
2. Quantitative- real science- proven true and backed up with data
What makes up the universe
Energy and Matter
What process releases bond energy
Combustion
, Combustion
breakdown of 2 particles that release energy. Chemical reaction that causes energy to be
released.
Whats in an atom
proton, electron, neutron
Mass defect
the difference between the mass of an isotope and mass number- when you don't have equity
Energy- Mass Equivalence
e=mc2-- rest mass energy of an object
Sources of Energy
1.coal
2.wind
3.solar
4.hydro
5.geothermal
6.biofuels
7.oil
8. natural gas
9. nuclear
Conservation of Energy
