Scientific Notation
Variables in an Experiment
Conversions
Measurement
Density
100
2,947
What is 2.947x10^3
100
Scientists use variables in a specific way to find information known as this.
What is an experiment?
100
A fraction that is used in order to convert numbers with one set of units to another set of units.
What is a conversion factor?
100
Instead of the metric system here in the U.S. we use a system of measurement called this.
What is the standard system of measurement?
100
An object with a mass of 100 g and a volume of 100 mL has a density of ____________.
What is 1 g/mL?
200
.000345
What is 3.45x10^-4
200
The variable in an experiment that is unchanged and often used as a basis for comparison.
What is a controlled variable?
200
In order for a conversion factor to be effective for unit conversion it must be equal to this.
What is 1?
200
If your were trying to measure the distance across this room, this is the metric unit of measurement you would use.
What is the meter?
200
Two metal object have exactly the same volume, but one of the objects has more mass. The object with the greater mass will have ______________ density.
What is greater?
300
5.207x10^6
What is 5,207,000
300
The variable in an experiment that causes the change in another variable, known as the dependent variable.
What is the independent variable?
300
This is how many seconds of time are in a typical class period, assuming 42 minute class periods.
What is 2,520 seconds?
300
When I place an item on a scale for measurement I am trying to calculate this type of measurement.
What is mass?
300
Large steel ships are able to float in water because their density is _____________ than that of the water.
What is less?
400
4.3012x10^-1
What is .43012
400
This variable is sometimes refered to as the responding variable.
What is the dependent variable?
400
This is the number of minutes of time that are in the typical school year, assuming 180 days of school at 7 hours per day.
What is 75,600 minutes?
400
The total mass of an object in grams divided by the total volume of an object in milliliters could be used to calculate this.
What is the density of the object?
400
This is the relationship between the buoyancy of an object and the density of that object?
What is as density of an object increases it buoyancy will decrease?
500
1.011x10^0
What is 1.011
500
Items in an experiment that are the same for all aspects and therefore have no effect on the outcome of the experiment.
What is a constant?
500
This is how many seconds of time are in the typical school year assuming 180 school days, and the day begins at 8:10 AM and ends at 2:53 PM everyday.
What is 4,352,400 seconds?
500
If I were calculating the volume of an irregular solid I could use this tool, filled with a particular volume of water.
What is a graduated cylinder?
500
This is the relationship between the buoyancy of an object and the density of the fluid and object is placed in.
What is as the density of the fluid increases the buoyancy of the object will also increase?