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1. ScientificMethod Notes 2017.notebook
1
September 04, 2017
Scientific Method Notes
What are each of these used to
measure?
1. ruler
2. Stopwatch
3. Scale
4. Thermometer
5. Graduated cylinder/ beaker
Warm up # 3
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Table of ContentsAssignments Page #
TC 1
1. Listening activity 1
2. Scientific method notes ___
What do you think scientists
do to answer their questions
about science?
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What do you think scientists
do to answer their questions
about science?
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Why is the sky blue?
Earth is surround in something called
an atmosphere
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The atmosphere is filled with different
particles like air (O2), carbon dioxide
(CO2), Nitrogen (N), and etc.
These particles allow all color light pass
through them except the color blue
Like a mirror that reflects all color light,
these air molecules reflect the blue color.
The blue color scatter. The blue color light
bounces off numerous particles and colors
the sky blue.
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- Add to existing knowledge
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Scientific Method Steps
Does milk help a plant grow
better than water can?
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- what do you know already?
- what do you know already?
Plants need water, sun light, and carbon
dioxide to grow
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- what do you know already?
Plants need water, sun light, and carbon
dioxide to grow
- what do you know already?Plants need water, sun light, and carbon
dioxide to grow
Milk has more minerals like calcium,
magnesium, zinc and etc. compared to
water
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- what do you know already?Plants need water, sun light, and carbon
dioxide to grow
Milk has more minerals like calcium,
magnesium, zinc and etc. compared to
water
- collect information that may
help make a hypothesis
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My hypothesis is that
milk will help the plant
grow faster than water
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My hypothesis is that
water will help a plant
grow faster than milk.
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*experiments must be repeatable!
*experiments must be repeatable!
Have 2 plants that are the same. both given
the same amount of sunlight, soil, amount of
liquids, all given at the same time. The only
thing that changes is the type of liquid.
One gets milk and one gets water
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Independent variable = the one
factor that gets changed
What is the one thing I am changing
between these two plants?
Independent variable = the one
factor that gets changed
What is the one thing I am changing
between these two plants?
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Plant Plant
1 cup of
Water
1 cup of
Milk
10 hours of
sun per day
10 hours of
sun per day
Soil Soil
Plant Plant
1 cup of
Water
1 cup of
Milk
10 hours of
sun per day
10 hours of
sun per day
Soil Soil
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Daily plant growth in cmWater Plant
growth
Milk Plant
growthweek
1
3
5
7
0 0
Daily plant growth in cmWater Plant
growthMilk Plant
growthweek
1
3
5
7
0 0
53
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Daily plant growth in cmWater Plant
growth
Milk Plant
growthweek
1
3
5
7
0 0
53
3 6
Daily plant growth in cmWater Plant
growthMilk Plant
growthweek
1
3
5
7
0 0
53
3
1
6
4
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What does our data
tell us? What can we
conclude?
"based on our data, we can conclude that....."
correct?
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your
hypothesis was
Why do you think it is important to only
have 1 factor that changes?
for example, different amount of sun
light and different liquids?
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We wont be able to tell what actually
caused the plant to grow, amount of sun
light or type of fluid.
that is why we only test for 1 thing
