Scientific Method
What two words need to be in a hypothesis?
"If ..... , then...."
Convert 1 meter into millimeters.
1 meter = 1000 millimeters
Put this integer into scientific notation.
0.0000000362
3.62x10^-8
How many significant figures does this integer have?
0.00070
2
What is the independent variable in the following hypothesis?
If I study, then I will get a better score on the test.
Amount studied
Convert 20 milligrams into kilograms.
20 mg = .00002 kg
Take this number out of scientific notation?
5.97x10^6
5970000
How many significant figures does this integer have?
72,360,000
4
What is the dependent variable in the following hypothesis?
If I study, then I will get a better score on the test.
Test scores
Convert 1.7 years to seconds.
1.7 years = 5.365x10^7 seconds
What is the product of these two numbers?
3.2x10^6 x 3.0x10^2
6.4x10^8
How many significant figures does this integer have?
6.50
3
What are three constants that could be in this experiment?
If I study, then I will get a better score on the test.
Multiple answers
Convert 1.5 km/s to m/s.
1.5 km/s = 1500 m/s
What is the quotient of the following numbers?
4.8x10^-9 / 1.2x10^-18
4.0x10^-27
A rectangle has a measured length of 12.5 cm and a width of 3.2 cm. What is the area of the rectangle, expressed with the correct number of significant figures?
40 cm
When graphing an experiment what axis do the independent and dependent variables go on?
Independent variable = X axis
Dependent variable = Y axis
Convert 20 km/h to m/s.
20 km/h = 5.56 m/s
What is the following product?
(3.0x10^5)^3
2.7x10^14
What is the answer and how many significant figures does the answer have?
250/2.500
100 (2)