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2023 Scientific Method (lima bean and other problems/questions) Flashcards | StudBud
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2023 Scientific Method (lima bean and other problems/questions)
2023 Scientific Method (lima bean and other problems/questions)
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Show what you know scientific method edition!
Flashcards
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1
Using your five senses to understand things around you
making an observation
making a guess
making stuff explode
2
A group that is kept under normal conditions while others are changed
the experiment
problem
control
3
The dependent variable is the
the Lima bean
the amount of water
the type of soil
Lima bean growth
4
How do different amounts of water affect lima bean growth? The independent variable in this experiment is
the Lima bean growth
the type of soil
the amount of water
the type of water
5
What is the Dependent Variable in the fortnite experiment?
attention span
playing or not playing fortnite
fortnite
6
The outcome of the experiment, the results
conclusion
hypothesis
problem
7
To make our Lima bean experiment more valid we would
change the type of water
use more Lima beans & repeat the experiment
repeat the experiment & use sunflower seeds
change the amount of sunlight
8
How do scientists test their hypothesis?
gather more research about the independent variable
perform an experiment with one variable that is manipulated
perform an experiment with many variables that are changed
perform an experiment by changing the dependent variable
9
Observing results of the experiment to see if your hypothesis was correct
analyzing data
solving a problem
making a guess
10
An educated guess based on background knowledge and research is a(n)
hypothesis
problem
inference
conclusion
11
A question that arises that can be investigated and is the first step of the scientific method
conclusion
hypothesis
problem/purpose
12
Which of the following statements is an inference?
After acid was placed on the rock, bubbles formed.
The rock was probably formed in a water environment.
The rock is black with white speckles in it.
13
What is being measured during the experiment and the data collected
dependent variable
constants
control
independent variable
14
What was our control in the Lima bean experiment?
the 10 mL pot
the pot with no water (0mL)
the 40mL pot
the 20 mL pot
15
The variable that a scientist changes or manipulates in an experiment is the
constants
dependent variable
independent variable
inference
16
To make an experiment more valid (improve the validity) one could
repeat the experiment many times
add more subjects
both red and yellow (triangle and circle)
decrease the number of trials
17
Does playing fortnite affect a 7th grader's attention span? Identify the Independent Variable (what is changed)
playing fortnite and not playing fortnite
fortnite
the attention span
18
How does the amount of time on a cell phone affect sleep? Which is the IV and DV?
IV is the use of a cell phone and DV is the bedtime
IV is the sleep and DV is the bedtime
IV is the sleep and DV is the amount of time on cell phone
IV is the amount of time on cell phone and DV is the sleep
19
Which statement is an observation?
The plant is 8 cm tall.
It is going to rain because it is cloudy.
The boy is wearing a coat because it is cold outside .
The rock is smooth because it has been weathered and eroded.
