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Ch1 Scientific Method Flashcards | StudBud
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Ch1 Scientific Method
Ch1 Scientific Method
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Scientific Method
Flashcards
14 cards
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Questions
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Answers
1
What is the difference between and investigation and an experiment?
There is no difference, both words are used interchangeably
An experiment has a variable that is being controlled
An investigation has a variable that is being controlled
One is done in the field and the other in a lab
2
What is the independent variable in this picture?
The amount of moisture in the soil
The plant growth
The type of plant
3
Which image shows accuracy?
Exp 1
Exp III
Exp IV
Exp II
4
What is an independent variable?
The variable that is manipulated or changed
A sample in an experiment that does not get altered
The variable that is measured or recorded to see the result
5
How many trials should you do in an experiment?
At least Three
At least 50
1
minimum of 10
6
The relationship between the independent and dependent variable can most closely be related to
Cause & Effect
Necessary & Unnecessary
Investigations & Experiments
Positive & Negative
7
Is an experiment considered a waste if your hypothesis was wrong?
no, because you may have learned something new
yes, because it can't lead to any further investigation
no, because you can still make a conclusion even if wrong
yes, because you didn't prove anything
8
What is the dependent variable in this experiment?
Type of plants
Plant growth
amount of leaves
Number of plants
9
What is the independent variable in this experiment?
The speed of the balls falling
the type or size of the ball
How high the balls bounce
The force of gravity on the balls
10
What is an Observation?
your opinion based off of what you see
A study of an experiment
Your Prediction of what will happen
Information collected using your 5 senses
11
What is a dependent variable?
A variable that is manipulated or changed during a lab
The variable that is measured or recorded in an experiment
The sample in an experiment that is not altered
12
A scientist studies how lions interact within a family. He tags them & places cameras near.
Experiment because it has controls and variables
Experiment because you are trying to learn something
Investigation because you are not using science tools
Field study because its observations & can't be controlled
13
What is a control?
The variable that is changed
A sample in an experiment that does not get altered.
The variable that is measured or recorded
14
JaQuan was studying the rate of photosynthesis in Elodea plants.What is the dependent variable?
Number of bubbles being produced
Light intensity in Lumens
Amount of Elodea in the experiment
