Bio 189L Midterm Exam – Questions With Expert
Solutions
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Practice questions for this set
Learn 1 /7 Study with Learn
p^2 + 2pq + q^2 = 1
Choose an answer
1 Scientific Notation
A scientist wants to test how different types of fertilizer affect the growth of tomato
plants. They plant 10 tomato plants, giving each plant a different type of fertilizer, all the
2
same water, and measure the height of each plant after 3 weeks.
What is the independent variable, the dependent variable, and the control variable?
3 Mass is measured in _______ and is measured by a _______
4 Genotype frequency
Don't know?
,Terms in this set (107)
Scientific Notation 10^-x means move decimal to the left.
10^+x means move decimal to the right.
Only have one digit in front of the decimal point.
1.2304 x 10^-5 = 0.000012304
3.357 x 10^2 = 335.7
Scientific Notation - Adding and Make the exponents the same by making the lower
Subtracting one equal to the higher one. Then, add the
coefficients.
4.09 x 10^5 - 2.1 x 10^8 = 0.00409 x 10^8 - 2.1 x 10^8 =
-2.09591 x 10^8
Scientific Notation - Multiplication Multiply/divide the coefficients normally, then
and Division add/subtract the exponents.
(4.2 x 10^4)(2 x 10^2) = 4.4 x 10^6
(3 x 10^2)/(2 x 10^4) = 1.5 x 10^-2
Length is measured in _______ and is meters, meter stick/ruler
measured by a ________
Mass is measured in _______ and is grams, balance/scale
measured by a _______
Volume is measured in ______ and is liters, pipette/graduated cylinder/beaker
measured by a ______
Temperature is measured in _____ and celsius, thermometer
is measured by a ______
, King Henry Died Unexpectedly Kilo Hecto Deca BASE UNIT Deci Centi Milli Macro
Drinking Chocolate Milk Monday Nano
Night 10^3 10^2 10^1 10^0 10^-1 10^-2 10^-3 10^-6 10^-9
BIGGEST UNIT/SMALLEST NUMBER ---> SMALLEST
UNIT/BIGGEST NUMBER
What are the steps of the scientific 1. Observation - Something you notice.
method? 2. Question - Wondering why something is a
certain way.
3. Research - Look into what is known.
4. Hypothesis - Idea of how the observation
happened. Experiment is based on the hypothesis.
5. Experiment - Controls, independent variable (the
cause), dependent variable (the effect).
6. Data Analysis - Use a blind study to remove bias.
7. Report it - Peer review the information.
Independent Variable This is the variable that is being manipulated and
will be on the x axis. Its effects are being studied.
Dependent Variable This variable is the response to the independent
variable and will be on the y axis.
Control Variable A constant used for baseline measurement
throughout the experiment. Oftentimes, it tends to
be water or temperature.
Solutions
Save
Practice questions for this set
Learn 1 /7 Study with Learn
p^2 + 2pq + q^2 = 1
Choose an answer
1 Scientific Notation
A scientist wants to test how different types of fertilizer affect the growth of tomato
plants. They plant 10 tomato plants, giving each plant a different type of fertilizer, all the
2
same water, and measure the height of each plant after 3 weeks.
What is the independent variable, the dependent variable, and the control variable?
3 Mass is measured in _______ and is measured by a _______
4 Genotype frequency
Don't know?
,Terms in this set (107)
Scientific Notation 10^-x means move decimal to the left.
10^+x means move decimal to the right.
Only have one digit in front of the decimal point.
1.2304 x 10^-5 = 0.000012304
3.357 x 10^2 = 335.7
Scientific Notation - Adding and Make the exponents the same by making the lower
Subtracting one equal to the higher one. Then, add the
coefficients.
4.09 x 10^5 - 2.1 x 10^8 = 0.00409 x 10^8 - 2.1 x 10^8 =
-2.09591 x 10^8
Scientific Notation - Multiplication Multiply/divide the coefficients normally, then
and Division add/subtract the exponents.
(4.2 x 10^4)(2 x 10^2) = 4.4 x 10^6
(3 x 10^2)/(2 x 10^4) = 1.5 x 10^-2
Length is measured in _______ and is meters, meter stick/ruler
measured by a ________
Mass is measured in _______ and is grams, balance/scale
measured by a _______
Volume is measured in ______ and is liters, pipette/graduated cylinder/beaker
measured by a ______
Temperature is measured in _____ and celsius, thermometer
is measured by a ______
, King Henry Died Unexpectedly Kilo Hecto Deca BASE UNIT Deci Centi Milli Macro
Drinking Chocolate Milk Monday Nano
Night 10^3 10^2 10^1 10^0 10^-1 10^-2 10^-3 10^-6 10^-9
BIGGEST UNIT/SMALLEST NUMBER ---> SMALLEST
UNIT/BIGGEST NUMBER
What are the steps of the scientific 1. Observation - Something you notice.
method? 2. Question - Wondering why something is a
certain way.
3. Research - Look into what is known.
4. Hypothesis - Idea of how the observation
happened. Experiment is based on the hypothesis.
5. Experiment - Controls, independent variable (the
cause), dependent variable (the effect).
6. Data Analysis - Use a blind study to remove bias.
7. Report it - Peer review the information.
Independent Variable This is the variable that is being manipulated and
will be on the x axis. Its effects are being studied.
Dependent Variable This variable is the response to the independent
variable and will be on the y axis.
Control Variable A constant used for baseline measurement
throughout the experiment. Oftentimes, it tends to
be water or temperature.
