Periodic Table
Potpourri (Random Questions)
Units and Measurments
Definitions
Net Force
100
What do you call the rows on a periodic table?
Periods
100
Which of Newton's Laws is this... Every action has an equal and opposite reaction.
Newton's 3rd Law
100
What is the unit of acceleration?
M/s or M/s squared
100
Anything that has mass and takes up space.
Matter
100
What two things must you include when stating net force?
Direction and unit (Netwons)
200
Most of the chemical elements on the periodic table are ______.
A. Metals
B. Metalloids
C. Nonmetals
A. Metals
200
What class lever is this?
2nd Class Lever
200
What device is used to measure mass?
A triple-beam-balance.
200
The average kinetic energy in a molecule or atom.
Temperature
200
3N right
300
What does the atomic number represent?
The number of protons in the atom.
300
Equation for volume...
V = Mass/Density
300
What device is used to measure force? What unit is it measure in?
Spring Scale - Newtons.
300
Speeding Up, Slowing Down, and Changing Direction are all examples of what?
Acceleration
300
When the forces of an object are moving in different directions what must you do?
Subtract the forces.
400
Who invented the periodic table?
Dmitri Mendeleev
400
What does AMU stand for?
Atomic Mass Unit
400
What are the units for work and power?
Work - Joules (j)
Power - Watts (w)
400
A characteristic that can be observed or measured.
Observation
400
13N down
500
What is the most conductive metal on the periodic table?
A. Silver
B. Copper
C. Gold
A. Silver
500
Finding the volume of an object by placing it in water and measuring how much the water is pushed up.
Displacement
500
What is used to measure heat -- and what are the two units of heat?
Thermometer - Celsius and Farenhiet
500
Two or more different elements chemically joined.
Compound
500
When the forces are moving in the same direction what must you do?
Add the forces.