Show:
Units
Formulas
Problems
?s
Miscellaneous
100
The metric unit measurement for length.
What is centimeters or meters?
100
The formula for Efficiency.
What is Output Work/Input Work X 100%?
100
Efficiency when Output is 10 and input is 20.
What is 50% efficiency?
100
The unit for efficiency.
What is there is none?
100
Description: Someone is running a distance of 5 meters in 2 seconds.
What is 2.5 meters per second?
200
Grams!
What is the metric unit measurement for mass?
200
The formula for Work.
What is Work = Force X Distance?
200
Work is __?__, if Force = 50 Newtons , and Distance = 20 meters?
What is 1,000 J or 1,000 Joules?
200
The circuits we use in our homes!
What is a parallel circuit?
200
A metal spoon heats up when placed in a pot of soup.
What is conduction (in heat transfer)?
300
The metric unit measurement for Density.
What is Grams per centimeter cubed or grams per millimeter?
300
The formula for Density.
What is Density = Mass/Volume?
300
The density of an irregular object that has 4 grams of mass, and a volume of 2 milliliters.
What is 2 grams/milliliter?
300
A marble is dropped into a cylinder with 50 ml of water, and the water rises to 57 ml.
What is 7 ml (volume)?
300
Water becoming a gas (vapor) or a solid (ice).
What is a Physical Change!
400
The unit measurement for Force.
What is N or Newtons?
400
The formula for Force.
What is Force = Work/Distance?
400
PE for 10 grams, at 5 meters!
What is 50 X 9.8 = 490 J or 490 Joules
400
9.8 meters per second squared or 9.8 m/s2
What is the acceleration due to gravity? or Gravity
400
Iron rusts, hydrogen & oxygen become water, or sodium & chlorine become salt.
What is a chemical change?
500
The unit measurement for Power.
What is a Watt?
500
Is formula for Power.
What is Power = Current Times Voltage or (P=I/V) ?
500
Acceleration for 10 N (Newtons) & 2 kg Hint: N = kg. X m/s2
What is 5 m/s2?
500
The numbers 1-7; 7 & 7-14.
What is an acid, neutral, and a base?
500
Frequency of a short wave, and then a long wave.
What is short wave = faster; long wave = slower?