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Scientific Method
Scientific Not.
"Sig Figs"
Converting
A/P/ or Both
100
This is an educated guess, usually written as if...then statements.
What is a hypothesis
100
How would you write 0.002300 in scientific notation?
What is 2.3 x 10^ -3
100
What are the only type of zero that is significant?
What is captive zeros
100
What does King Henry Died By drinking chocolate milk stand for?
What is Kilo, Hecto, Deca, base unit, deci, centi, milli
100
Actual value: 5 Trial 1: 4.5 Trial 2: 4.6 Trial 3: 4.7
What is Both
200
Kayla is working with plants and the amount of sunlight given to each. The type of plants in this scenario would best described as a "blank" group.
What is control
200
Write 7.63 x 10^5 in standard form
What is 763,000
200
Are non-zero integers always significant?
YES!
200
Kilo is what ten to the what power?
What is 3rd
200
Actual value: 98 Trial one: 78 Trial 2: 77 Trial 3: 77.5
What is P
300
What are the steps that make up the scientific method?
What is observation, problem/question, hypothesis, experimentation, data collection
300
Is 6.06 x 10^ -3 and 60600 the same number? Explain why or why not.
No they are not. 6.06 x 10 ^ -3 would indicate the number is <1. The correct answer would be 0.00606
300
How many "sig figs" are in 0.002300
What is 2
300
Jane has a mass of 140 lbs. Convert into kilograms. 1lb = 453.6g
What is (140lbs) (456.6g/1lb) etc
300
Actual: 26 Trial 1: 26 Trial 2: 26 Trial 3: 26
What is Both
400
How many time must a trial be repeated in order to be scientifically valid?
What is 3 or more
400
Write these numbers in scientific notation: a) 23659 b)0.0587 and c) 650067
What is a) 2.3659 x 10 ^ 4 b)5.87 x 10 ^ - 2 c) 6.50067 x 10 ^5
400
Do these numbers have different significant figures? A)600 B) 600.
What is yes, a) has 1 and b) has 3
400
You have 50 degrees K, how many do you have in Celsius?
What is T(c) = T(k)-273.15
400
Actual Value: 987 Trial 1: 987
What is A, however more trials are needed?
500
What is the difference between "constant" and "control"?
A constant are the conditions in the experiment that remain the same. A control is a standard for comparing between values.
500
Write Avagadros number in scientific notation
What is 6.02 x 10 ^ 23
500
How many significant figures are in this number: 908235960087.00
What is 12
500
You are studying abroad in England. Suddenly you are not feeling well and notice you have a temperature of 37.7 degrees (c). Do you have a fever? Convert into degrees (f)
What is yes. T(f) = T (c) x (9 degrees f/ 5 degrees c) + 32, T(f) = ~100
500
Define accuracy and precision.
Accuracy = how close a measurement is to an accepted value Precision = how close a series of measurements are to one another