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Flash Cards Science
Question | Answer |
---|---|
What is velocity? | Speed PLUS Direction. |
What is the periodic table arranged in?q | Periods and Groups. |
What is a bohr model? | A model of an atom. |
What is the difference between a physical and chemical change? | A physical change is a change that doesn't form a new substance, and a chemical change does. |
What is a light year? | A light year is the distance that light can travel in a year. |
What is an atomic number? | The number of protons in an atom/element. |
How do you calculate speed? | Distance divided by time. |
If a force is unbalanced what is it doing? | Continuing at a constant velocity. |
An HR diagram measures what? | Magnitude (Brightness) and surface temperature. |
What is the difference between potential and kinetic energy? | Potential is the object before it is in motion kinetic energy is the amount of energy an object has while in motion. |
What kind of wave can we see | visible light |
what does inert mean | stable and not REACTIVE |
WHAT IS FREQUENCY | THE NUMBER OF WAVES PASSING IN A SECOND |
what is tHE ATOMIC MASS | thE masS of AN Atom[ATOMIc # PLus NumBEr of ELEctrONS] |
What does it mean when the net force is 0 | it means the forces are balanced |
whatb kind of waves dont need a medium | ELECTROMAGNETIC WAVES |