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Scientific method quiz review 8th Flashcards | StudBud
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Scientific method quiz review 8th
Scientific method quiz review 8th
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8th grade quiz for scientific method
Flashcards
27 cards
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Questions
27
Answers
1
Which variable could be changed by the experimenter?
Independent variable
Dependent Variable
variables can't be changed
control
2
Parts of the experiment you leave the same are called:
Independent Variables
Data
Constants
Dependent Variables
3
According to the data in the chart, a possible conclusion could be:
Plants that received 7ml of water grew the tallest.
Plants that received 8 hours of light, grew the tallest.
The data does not tell us anything.
Plants that received the most water, grew the tallest.
4
If the question is: Which type of popcorn pops the most kernels? What is a possible DV?
Number of kernels left unpopped
Types of oil
How long cooked
Types of popcorn
5
Does the temperature of water change the amount of sugar that will dissolve in it? This is a
Hypothesis
Inference
Scientific Question
Observation
6
How long is the line?
23 mm
2.3 m
2.3
2 1/3 in
7
What is it called when we gather information with our senses - taste, touch, smell, see, hear?
Making an inference
Making an observation
Stating a hypothesis
Forming a conclusion
8
The format for a good hypothesis is:
If... Then...
I think... Because
I think it will work.
DV will change the IV
9
What is an educated guess based on your observations and research that can be tested?
Hypothesis
Observation
Analysis
Conclusion
10
How much liquid is in the graduated cylinder?
21.5 ml
22 ml
20 ml
22.5 ml
11
Conclusions include:
Information from my research
The list of procedures I followed
A list of materials I used
What the results of my data tell me
12
What is the mass?
537.3 g
536.8 lbs
537.3 lbs
536.8 g
13
Look up facts about salt to find its affect on melting temperature. This is an example of...
Scientific Question
Research
Experiment
Observation
14
What are the steps scientists use to solve problems?
scientific theory
scientific inquiry
roberds method
scientific method
15
What are the 2 types of observations?
Measuring and numbers
Qualitative and using your senses
Quantitative and graphing
quantitative and qualitative
16
When you design a test or procedure to find out if your hypothesis is correct. This is...
Conclusion
Experiment
Observation
Data Gathering
17
When creating a graph, it must contain all of these EXCEPT:
A legend
Colors
Labeled axis with units
A title
18
Explain the purpose of creating graphs to represent data.
They make the data easier to analyze.
There really is no purpose.
They are colorful and pleasing to the reader.
Scientists just like to make extra work.
19
"The boy is wearing a blue shirt" is...
an inference
a qualitative observation
bad fashion sense
a quantitative observation
20
To run a controlled experiment on how sleep affects student test scores, you must...
vary the amount of sleep and food each group of students eat
vary amount of sleep and keep all other variables the same
stay up all night and take the test yourself
vary the type of tests that you give students
21
A control group is when....
you compare a normal group to the groups you are testing
you make constant changes to your groups
none of your test groups are the same
all of your test groups are the same
22
"The plant is 5 cm tall" is:
a qualitative observation
data response
an inference
a quantitative observation
23
Which variable is measured during an experiment?
control
Dependent variable
none
independent variable
24
If the question is: Which type of popcorn pops more kernels? What is a possible IV?
Number of kernels
How long you pop the popcorn
type of stove
type of popcorn
25
The procedure and materials list are part of:
Data Gathering
Experiment
Conclusion
Observations
26
This is when you state whether your hypothesis was proven, identify problems or mistakes, and what you do next.
Conclusion
Procedure
Problem
Graph
27
"The mixture turned blue" is:
an inference
a quantitative observation
a qualitative observation
data response
