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lab write up

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September 10, 2018
How to write a lab report
September 10, 2018
what is a lab report?
A lab report is the summary of
what you did in an experiment
It should explain what you did why you
did it and if you were correct
September 10, 2018
your lab reports should include
Research question or problem: this should be
the question you are trying to solve.
For example: do plants need light to grow?
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Hypothesis
What is a Hypothesis?
It is an educated guess about the research
question
This guess cannot be a one word answer to
the research question
https://www.brainpop.com/science/scientificinquiry/scientificmethod/
September 10, 2018
Bad hypothesis
Question: Do plants need light to grow?
Hypothesis: yes
why is this bad?
September 10, 2018
Good Hypothesis
Question: Do plants need light to grow?
Hypothesis: plants need light for their
leaves,this is required to grow
September 10, 2018
Practice
https://www.brainpop.com/games/pavlovsdog/
Create a hypothesis about whats happening
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Create a test
Now that you have a hypothesis you want to
test to see if it is right
BUTT
There are some things you need to figure out
first
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1. You need to find out what are you
changing to try to prove this
this is called the MANIPULATED VARIABLE
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2. Now you need to find out what needs to
stay the same in the experiment so the test
is done right
This is called the Controlled Variable
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3.Finally You need to find out what changes
you are measuring
This is called the Responding variable
September 10, 2018
So for the problem
Question: Do plants need light to grow?
We have
Hypothesis: plants need light for their leaves,
this is required to grow
What are we changing?
What needs to stay the same?
What are we measuring?
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What are we changing?
What needs to stay the same?
What are we measuring?
September 10, 2018
September 10, 2018
How to write a table
September 10, 2018
When you do a lab or an experiment you
will always get information
this information needs to be
organised so it is easy to read
A TABLE DOES THIS FOR YOU
September 10, 2018
title
tests
change1 change 2 change 3 change 4
test 1
what did
you see
test 2
test 3
test 4
The changes can be anything you added to
the lab. for example adding 20ml 30ml and
40 ml of water
September 10, 2018
Which is easier to understand?
from the experiment, the results we collected
on the first test a total of fifty grams. On the
second test we collected forty five grams.
Finally on the third test we collected thirty
grams
or
test
1
2
3
grams collected
50
45
30
September 10, 2018
A good table
rain fall over three days
day
morning afternoon evening total
1
2
3
25
30
5
15
10
10
10
5
20
50
45
35
September 10, 2018
what goes here What goes here
September 10, 2018
Kelly wants to find out how many cars of each
kind are sold in a week. her results were
Mon
bmw: 49
Tues
bmw: 68
Wed
bmw: 19
audi: 89
audi: 112
audi: 169
ferrari: 9
Thurs
bmw: 78
ferrari: 11
Fri
bmw: 59
ferrari: 2
Sat
bmw: 98
audi: 57
audi: 96
audi: 52
ferrari: 21
ferrari: 8
ferrari: 8
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Practice
September 10, 2018
Conclusion:
was the hypothesis correct or false and WHY
Please explain why
September 10, 2018
Bad conclusion
The results showed plants need light to
grow
Why is this bad?
good examples
Our results showed plants need light to grow
because the plant in the most light grew the
most. This matched our hypothesis, because
we said that the plant with the most light will
grow
September 10, 2018
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