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Parts of an Experiment & The Scientific Method Flashcards | StudBud
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Parts of an Experiment & The Scientific Method
Parts of an Experiment & The Scientific Method
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#scientific method
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17 cards
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1
Does the amount of salt affect how high an egg will float in water? What is the
I.V.?
amount of salt
size of cup or container
how high egg floats
amount of water
2
I am testing which brand of stain remover gets out the most stain. What should be a CONSTANT?
brand of stain remover
kind of stain
how much stain is removed
person wearing the shirt
3
What is the
D.V
. for testing how tall plants grow in different types of soil?
type of plant
how tall plant grows
type of soil
amount of water
4
We are testing which brand of paper towel absorbs the most water. What is a constant?
brand of paper towel
the store where I bought the paper towels
size of paper towel
absorbs the most water
5
Look at the chart, what is the I.V.?
type of water
brand of paper towel
size of paper towel
water absorbed
6
Based on the graph, what is the independent variable?
plant height
type of plant
color of light
amount of water
7
If we test brands of paper towels, Bounty will absorb water the fastest.
What is the DV?
Bounty
brand of paper towel
how fast paper towel absorbs water
amount of water absorbed
8
The variable that is the result of the change, the data that is collected is the ...
hypothesis
constants
independent variable
dependent variable
9
The variable that is changed on purpose is the...
independent variable
constants
dependent variable
hypothesis
10
Look at the graph, what is the conclusion for this experiment?
Lemon juice was the best to stop an apple from turning brown
Water was the best liquid to stop apple from turning brown
Apples taste different when they turn brown.
The apple turned brown faster with vinegar than with Sprite.
11
Theories are permament
True
False
12
How many independent variables can you have in an experiment?
as many as you want
0
10
1
13
Why are constants important?
so you have more than 1 DV
to make sure your hypothesis is correct
so you have more than 1 IV
to keep the experiment fair
14
If data from an experiment does not match a current theory, what should be done?
The theory should be changed immediately.
Several trials should be done to confirm results.
15
What are constants?
what you think will happen in the experiment
the result of the experiment
things that you change in an experiment
things that stay the same in an experiment
16
What is the
dependent variable
for "Which liquid freezes faster"?
container
time to freeze
liquid
freezer
17
Why should you do an experiment more than once?
because your hypothesis was wrong
because you want to know if your answers are accurate
because it was fun
because your teacher said so
