scientific method quiz

Question 1

what is an observation

Answer 1

something you detect with your senses

Question 2

a scientific observation is based on what

Answer 2

on facts

Question 3

An inference is based on what

Answer 3

Scientific observations and opinions or assumptions

Question 4

What is the scientific method

Answer 4

A systematic procedure for how to conduct a scientific experiment

Question 5

Which of the following is NOT a testable question?
a. How do rockets work?
b. Does fertilizer help plants grow bigger?
c. Does heart rate increase with exercise?
d. Does the freezing point of water change at different elevations?

Answer 5

how do rockets work

Question 6

What is a hypothesis?

Answer 6

An educated prediction or answer to a testable question

Question 7

What is a controlled experiment?

Answer 7

An experiment where one variable is changed

Question 8

A good experiment will have:

Answer 8

Multiple experimental group and one control

Question 9

Which variable do you measure in an experiment?

Answer 9

The dependent variable

Question 10

Which statement below does NOT describe a good experimental method?
a. An experimental method is written in a step-by-step fashion
b. The specific amount of substances or materials used are stated
c. method is written vaguely so someone else could easily alter the experiment
d. The tools need and specific measurements that need to be taken are stated

Answer 10

The method is written vaguely so someone else could easily alter the experiment

Question 11

What is the best way to collect and record data?

Answer 11

In a data table

Question 12

What type of relationship is shown in the graph?

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Answer 12

An indirect relationship

Question 13

what are qualitative observations

Answer 13

are things you notice or
observe using your
senses. These are things
you see, smell, hear,
touch or taste.

Question 14

what are Qualitative observations

Answer 14

describe the color,
texture, appearance,
odor and other physical
characteristics of
something.

Question 15

scientific method steps in order

Answer 15

1. Ask a Question.
2. Form a Hypothesis.
3. Perform a Controlled Experiment.
4. Collect and Analyze Data.
5. Form a Conclusion.

Question 16

testable questions are

Answer 16

specific, observable, scientific

Question 17

Which of the following is NOT included in a conclusion?
1. A summary of the results
2. Sources of error
3. Whether the results support or refute the hypothesis
4. A list of materials and equipment used in the experiment

Answer 17

4. A list of materials and equipment used in the experiment

Question 18

How can you reduce error in an experiment?
1. Use a small sample size
2. Perform only one trial on the experiment
3. Calibrate your tools before using them
4. Both a and b

Answer 18

3. Calibrate your tools before using them

Question 19

What is a bias?

Answer 19

A judgment based on an opinion or assumption

Question 20

When communicating scientific ideas, it’s important to:
1. Present scientific ideas backed by reliable pieces of evidence
2. Consider viewpoints that may be different than yours
3. Cite sources from where you obtained scientific ideas
4. All of the above

Answer 20

4. All of the above

Question 21

Why do scientists argue over scientific ideas?
1. Science is unreliable
2. Scientific information can be interpreted differently
3. Scientific information can be used in different ways
4. Both 2 and 3

Answer 21

4. both 2 and 3

Question 22

What is a critique?

Answer 22

An evaluation of a scientist’s ideas, experiment or research

Question 23

What is the difference between a qualitative and quantitative observation?

Answer 23

qualitative is made with the senses while quantitative observation is measured numerically

Question 24

Why is it important to conduct a controlled experiment?

Answer 24

It is important to conduct a controlled experiment because if the experiment isn’t controlled the data you gathered could be false.

Question 25

Your teacher asks you to test the effects of sunlight on plant growth. You grow plants with different amounts of sunlight and measure their height. Identify the independent variable and dependent variable in the question above.

Answer 25

The independent variable in this experiment would be the amount of sunlight. The dependent variable is the plant growth.

Question 26

What is the difference between analyzing and interpreting data?

Answer 26

To analyze the data we describe the relationship between the variable we change and the variable we measure. To interpret data is to make a declaration about what the data means.

Question 27

Why is it important to be able to recognize bias in an investigation?

Answer 27

It is important to recognize bias in an investigation because bais can led sciences to overlook important data sets