Show:
Scientific Method
Experiments
Metric System
Significant Figures
Random
100
An educated guess or prediction for what might happen in an experiment
Hypothesis
100
Things that may be expected to change during the course of the experiment
Variable
100
The amount of matter in an object is __________
Mass
100
How many significant figures does this number have: 22.4
3
100
__________ is the term used to describe how close you are to the actual value
Accuracy
200
Scientists use _______ to test each hypothesis and then eliminate the ones that don't fit
Experiments
200
The variable that you change in order to test it
Independent Variable
200
The metric system is based on a factor of what number?
10
200
How many significant figures does this number have: 720
2
200
Change this number into scientific notation: 0.000204
2.04 x 10^-4
300
A well-substantiated explanation acquired through the scientific method and repeatedly tested and confirmed though observation and experimentation is called a _______
Theory
300
The variable that you observe or measure during an experiment
Dependent Variable
300
SI stands for what
International Standard
300
How many significant figures does this number have: 10083.0
6
300
Change this number into scientific notation: 8460000
8.46 x 10^6
400
A statement that describes what scientists expect to happen every time under a given set of conditions is called a scientific ______
Law
400
Something that stays the same during an experiment
Constant
400
The tool best used to measure the volume of a liquid
Graduated Cylinder
400
Provide the answer to this problem with the correct number of sig figs: 31.2 / 7.1
4.4
400
________ is measured in g/mL or g/cm^3
Density
500
Ten seeds were planted in each of 5 pots that were found around the house. Each contained 300mg of potting soil. The pots were given differing amounts of water for 40 days. Plant height was measured at the end of the experiment. What is the independent variable for this experiment?
Amount of water given to the plants
500
The ________ group is used to compare the experimental results against to see if the independent variable had an effect.
Control
500
A unit of measurement that is a combination of other unit is called a __________
Derived unit
500
Provide the answer to this problem with the correct number of sig figs: 105.34 + 6.9
112.2
500
A temperature of 354K is equal to what temperature in Celsius?
81 degrees Celsius