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May 1, 2024
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Section 1: Physics Topic: Scientific Inquiry Lessons: 1, 2, and 4.1 Lesson 1: Methods of Scientific Inquiry •
Learning Objective:
You will be able to describe the methods of scientific inquiry. 1. What are the three attributes a hypothesis must have in order to be studied scientifically? 2. What is the difference between a controlled experiment and an observational study? 3. A person is measuring how the temperature of coffee affects its acidity. They brew the same brand of coffee at three different temperatures and test each brand’s pH. In this investigation, identify the following variables: a. Independent Variable: b. Dependent Variable: c. Control Variable: 4. In the table below, determine whether each scenario would be best studied with a controlled experiment or an observational study. Scenario/Question Scientific Investigation Type (controlled experiment or observational study) How does humidity affect mushroom growth? What pH will yield the highest amount of product? What amount of yeast will produce bread with the most rise? How do ants communicate in their colony?
How does a team of people respond to an uncontrolled stress? Which type of light eliminates the most bacteria on surgical equipment? Lesson 4.1: Scientific Hypotheses, Laws, and Theories
•
Learning Objective:
You will be able to distinguish among scientific hypotheses, laws, and theories. 1. Fill in the chart below regarding hypothesis, theory, and law. Hypothesis Theory Law Tested (Yes or No) Focus (Narrow or Broad) Type of Statement (Proposed Pattern, Description, or Explanation of How and Why) 2. In the table below, determine whether each statement is a hypothesis, theory, law, or non-scientific statement. Statement or Question Classification (H, T, L, or NSS) The youngest layer in sedimentary rock is on top. The Earth’s outermost layer is broken into large pieces called plates, which move slowly over times. This phenomenon accounts for the distribution of earthquakes and volcanoes on Earth.
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Related Questions
True or false
1. The unit-factor method is used as a validity
tool in deriving equations.
2. Kinetic energy is dependent on the mass and
velocity of an object.
3. Acceleration is speed with direction.
4. Physical change in matter alters its
appearance and identity.
5. Height is the greatest measurement of a 3D
object.
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Hi I need help with this question how can I solve I need to learn step by step please
1- give quantities
2 sketch the situation in the problem
3 unknown quantities
4 principles key ideas
5 Equation
6 analytic solution
7 númeric solution
8final answer
Unit check
arrow_forward
Which of the following does not follow the scientific method, as outlined by the textbook?
A. seeing something interesting that makes you curious
B. Summarizing on the outcome of the experiment
C. Skewing data to make all the points fit on a graph
D. Creating and carrying out an experiment.
arrow_forward
True or false
1. The unit-factor method is used as a validity tool in deriving equations.
2. Kinetic energy is dependent on the mass and velocity of an object.
3. Acceleration is speed with direction.
4. Physical change in matter alters its appearance and identity.
5. Height is the greatest measurement of a 3D object.
6. The acceleration of an object is dependent on the net force acting on an object.
7. The English system of measurement is based on the power of ten.
8. All objects fall at the same time.
9. Temperature is the flow of energy from a hot area to a cold area.
10. The position of the object increases potential energy.
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Plz answer
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Can you explain this problem , how do I get to the answer step by step please , this problem is part of significant figures and scientific notation show me how to get the answer
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Consider the graph shown below.
a. Identify what the graph shows
b. Briefly explain what kind of information you can determine from the graph and how that
information could be useful in its application related to the field of health sciences. In
your answer:
a. Make specific reference to any values you can read from the graph.
b. Include any appropriate equations for the graph and explain how they could be
used.
100%
90%
80%
70%
60%
50.00%
50%
40%
30%
25.00%
20%
12.50%
10%
6.25%
3.13%
1.55%
0.78%
0.39%
0%
16
24
32
40
48
56
64
Elapsed time (in days)
parent isotope (%)
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Analyze the results
Dependent
Нурothesis
Teat the hypothenis
Draw a conclusion
Bix
Beientifie Method
Independent
Question/Problem
Observation
(1).
is a proces that involves observation, data
gathering, experimentation and analysis. This method is composed of (2)
of the world around you
steps. By making a detailed (3).
This
through your senses, you can be able to formulate a (4).
where you
step will lead you to an educated guess called (5)
can have tentative answer to your question. In order for you to prove your educated
by designing and conducting an
guess you need to (6).
experiment. In the experiment you need to identify the variables present and these
and (8).
variables. The data
are the (7).
The summarized
from the experiment will be collected to (9)
resulte from the experiment will determine whether the hypothesis is accepted or
rejected and that is where you (10).
2 de
arrow_forward
1.State 5 laboratory rules for the first year science student
2.give a reason for each rules you have stated
arrow_forward
How many correct experiments do we need to prove a theory? Explain.
arrow_forward
Direction: Fill in the correct terms to complete the paragraph.
Observation
ed,
test
modified
Scientific Method
experiment
Performs
conclusion
Нуpothesis
result
The Scientific Method
As scientists inquire and gather information about the world, they follow a
process called the
This process typically begins with an
and question that the scientist will research. Next, the scientist typically
some research about the topic and then devises a
Then, the scientist will
the hypothesis by performing an
of the
Finally, the scientist analyzes the
Note that the scientific method can be
experiment and draws a
applied to many situations that are not limited to science, and this method can be
to suit the situation.
arrow_forward
Choose if the statement is True or false
1. The unit-factor method is used as a validity tool in deriving equations.
2. Kinetic energy is dependent on the mass and velocity of an object.
3. Acceleration is speed with direction.
4. Physical change in matter alters its appearance and identity.
5. Height is the greatest measurement of a 3D object.
6. The acceleration of an object is dependent on the net force acting on an object.
7. The English system of measurement is based on the power of ten.
8. All objects fall at the same time.
9. Temperature is the flow of energy from a hot area to a cold area.
10. The position of the object increases potential energy.
arrow_forward
B3
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1. Unit conversion
You travel 300 kilometers on 20 liters of gasoline at $4.00 per liter. About how many dollars did it
cost to drive a mile? There are 1.609 km in 1 mile.
2. Power analysis
For a given amount of energy, be able to calculate how long it can power something (how long can
X Joules power a device that uses Y Megawatts, for example).
3. One-dimensional Motion
Ask yourself this question: which kinematic equation would you use to solve for the
an object if you knew
and
any four of the five kinematic quantities and choose in the right equation
(A) Ar=v₁t+at²
(B) Ar=₁+t
(C) vf = v₁ + at
(D) Av=v² + 2aAr
MacBook Pro
of
? Be able to pick
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LEARNING ACTIVITY # 2
MEASUREMENTS
Instruction: Answer in a 1 whole,
a. Answer the following:
1. What is physical quantity?
2. Differentiate accuracy and precision. Give an example.
3 In the past, our way of measuring is by using our body, do you
think that this way of measuring is proper in our daily lives? Explain,
vou can add the importance of having a standard way of
measurement.
What is the importance of knowing the following concept as a
STEM student:
4.1. writing scientific notation
4.2 determining significant figure
4.3. converting units
b. Convert the following. Show complete solution.
1. 44.5 cm to mm
2. 65kg to mg
3. 14 mg to g
4. 1002 L to MI
5. 300m/s to km/h
6.5km/h to m/s
c. Rewrite the following numbers in scientific notation.
1) 915.60
2) 42 000
3) 0.000000134
4) 0.00089
5) 50000000000
d. Expand the following numbers.
1) 3.49 x 10²
2) 6.32 x 105
3) 4.1 x 10-3
4) 5.16 x 10 8
5) 6.18 x 10°
e. Perform the indicated operations. Express your answers in
scientific notation.…
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sadvantage? -One
advantage to using scientific notation is that it allows you to write a large number quickly
by making it "shorter". One disadvantage is that|
3. Which of the following questions are testable using scientific experimentation? Identify
the dependent variable for each testable question.
A. Are there more seeds in a medium-sized Red Delicious apple or a medium-sized
Granny Smith apple?
B. Why do people smoke cigarettes?
C. What happens to your blood glucose level if you do not eat lunch?
D. Which planet is the most interesting to study?
E. Which objects are attracted by a magnet: a metal paperclip, a copper penny, or
aluminum foil?
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Answer what is asked. Take your time to answer, will give you thumbs up. You may draw to further explain the solution. Thank you
arrow_forward
Answer what is asked. Take your time to answer, will give you thumbs up. You may draw to further explain the solution. Thank you
arrow_forward
Answer what is asked. Take your time to answer, will give you thumbs up. You may draw to further explain the solution. Thank you
arrow_forward
give a unique example of a scientific statement and explain WHY your statement is scientific.
arrow_forward
1. How do we report measurement?
2. How do we determine the best estimate in a single trial experiment and in a multiple trial
experiment?
3. How do we determine the uncertainty in a single trial experiment and in a multiple trial
experiment?
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1. Differentiate Descriptive Statistics and Inferential Statistics and site an example to show their difference in application.
2. Differentiate the two categories of data and give at least one example.
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PROBLEM SOLVING: Solve the following problems completely, neatly and orderly. Express all answers to the nearest 4th decimal place.
2. A hypothetical alloy has a face-centered cubic unit cell. Its density is 10,470 kg/m3 and its atomic weight is 106.8 g/mole.
a) What is the atomic radius of the alloy in cm?
b) What is the volume of the single atom of the alloy in cm?
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With a wooden ruler, you measure the length of a rectangular piece of sheet metal to be 12 mmmm. With micrometer calipers, you measure the width of the rectangle to be 6.98 mmmm. Give your answers to the following questions using the correct number of significant figures.
What is the area of the rectangle?
Express your answer in millimeters squared.
A=A= ____________ mm2
What is the perimeter of the rectangle?
Express your answer in millimeters.
P=P= _______________mm
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3. Absolute, fractional, and percentage uncertainties
a. What is the absolute uncertainty for the following measurements? 5.8 cm, 5.6 cm, 5.7 cm, 5.4 cm, 5.4 cm, 5.6 cm
b. Determine the fractional uncertainty in part a.
c. Determine the percentage uncertainty in part a.
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Which of the following statements are true of the null and alternative hypotheses? A.It is possible for both hypotheses to be true B.It is possible for neither hypothesis to be true C.Exactly one hypothesis must be true D.Both hypotheses must be true
arrow_forward
In baseball, participants wear protective equipment.
Describe the design and function of the protective equipment.Based on the scientific concepts and principles how the equipment accomplishes its intended functions?
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I need help with this question.
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SEE MORE QUESTIONS
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Related Questions
- True or false 1. The unit-factor method is used as a validity tool in deriving equations. 2. Kinetic energy is dependent on the mass and velocity of an object. 3. Acceleration is speed with direction. 4. Physical change in matter alters its appearance and identity. 5. Height is the greatest measurement of a 3D object.arrow_forwardHi I need help with this question how can I solve I need to learn step by step please 1- give quantities 2 sketch the situation in the problem 3 unknown quantities 4 principles key ideas 5 Equation 6 analytic solution 7 númeric solution 8final answer Unit checkarrow_forwardWhich of the following does not follow the scientific method, as outlined by the textbook? A. seeing something interesting that makes you curious B. Summarizing on the outcome of the experiment C. Skewing data to make all the points fit on a graph D. Creating and carrying out an experiment.arrow_forward
- True or false 1. The unit-factor method is used as a validity tool in deriving equations. 2. Kinetic energy is dependent on the mass and velocity of an object. 3. Acceleration is speed with direction. 4. Physical change in matter alters its appearance and identity. 5. Height is the greatest measurement of a 3D object. 6. The acceleration of an object is dependent on the net force acting on an object. 7. The English system of measurement is based on the power of ten. 8. All objects fall at the same time. 9. Temperature is the flow of energy from a hot area to a cold area. 10. The position of the object increases potential energy.arrow_forwardPlz answerarrow_forwardCan you explain this problem , how do I get to the answer step by step please , this problem is part of significant figures and scientific notation show me how to get the answerarrow_forward
- Consider the graph shown below. a. Identify what the graph shows b. Briefly explain what kind of information you can determine from the graph and how that information could be useful in its application related to the field of health sciences. In your answer: a. Make specific reference to any values you can read from the graph. b. Include any appropriate equations for the graph and explain how they could be used. 100% 90% 80% 70% 60% 50.00% 50% 40% 30% 25.00% 20% 12.50% 10% 6.25% 3.13% 1.55% 0.78% 0.39% 0% 16 24 32 40 48 56 64 Elapsed time (in days) parent isotope (%)arrow_forwardAnalyze the results Dependent Нурothesis Teat the hypothenis Draw a conclusion Bix Beientifie Method Independent Question/Problem Observation (1). is a proces that involves observation, data gathering, experimentation and analysis. This method is composed of (2) of the world around you steps. By making a detailed (3). This through your senses, you can be able to formulate a (4). where you step will lead you to an educated guess called (5) can have tentative answer to your question. In order for you to prove your educated by designing and conducting an guess you need to (6). experiment. In the experiment you need to identify the variables present and these and (8). variables. The data are the (7). The summarized from the experiment will be collected to (9) resulte from the experiment will determine whether the hypothesis is accepted or rejected and that is where you (10). 2 dearrow_forward1.State 5 laboratory rules for the first year science student 2.give a reason for each rules you have statedarrow_forward
- How many correct experiments do we need to prove a theory? Explain.arrow_forwardDirection: Fill in the correct terms to complete the paragraph. Observation ed, test modified Scientific Method experiment Performs conclusion Нуpothesis result The Scientific Method As scientists inquire and gather information about the world, they follow a process called the This process typically begins with an and question that the scientist will research. Next, the scientist typically some research about the topic and then devises a Then, the scientist will the hypothesis by performing an of the Finally, the scientist analyzes the Note that the scientific method can be experiment and draws a applied to many situations that are not limited to science, and this method can be to suit the situation.arrow_forwardChoose if the statement is True or false 1. The unit-factor method is used as a validity tool in deriving equations. 2. Kinetic energy is dependent on the mass and velocity of an object. 3. Acceleration is speed with direction. 4. Physical change in matter alters its appearance and identity. 5. Height is the greatest measurement of a 3D object. 6. The acceleration of an object is dependent on the net force acting on an object. 7. The English system of measurement is based on the power of ten. 8. All objects fall at the same time. 9. Temperature is the flow of energy from a hot area to a cold area. 10. The position of the object increases potential energy.arrow_forward
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Recommended textbooks for you
- Horizons: Exploring the Universe (MindTap Course ...PhysicsISBN:9781305960961Author:Michael A. Seeds, Dana BackmanPublisher:Cengage LearningGlencoe Physics: Principles and Problems, Student...PhysicsISBN:9780078807213Author:Paul W. ZitzewitzPublisher:Glencoe/McGraw-Hill
Horizons: Exploring the Universe (MindTap Course ...
Physics
ISBN:9781305960961
Author:Michael A. Seeds, Dana Backman
Publisher:Cengage Learning
Glencoe Physics: Principles and Problems, Student...
Physics
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Glencoe/McGraw-Hill