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Show Me The Data!
• Whenever you answer a question in science, you must
have evidence to support your ideas.
Data Tables
Unit Essential Question:
How does science use inquiry to further understanding?
Presentation Objectives:
★ Present basic rules and guidelines for data tables.
★ Identify the information needed in a MEASURED Data Table.
★ Create an appropriate measured and calculated data table for
given experiments.
• Conduct an experiment to collect data, which are the
measurements and observations made during the
investigation.
• To help communicate your findings, it is important to
present the data in an organized fashion.
• Multiple ways to access the information!
• Table(s)
• Graph(s)
Guidelines For A Measured Data Table
Data Tables
• A good data table must be neat and organized.!
• Drawn nicely with a ruler or on the computer.!
• Title the table with a descriptive/informative name.!
• The title should tell your reader what it is about.!
• The title is typically similar to your lab question!
• Label all columns and rows with appropriate quantity titles.!
•
Include units for each quantity.
e
Title
Units
Labels
• Your data table will include THREE sections.
• The independent variable is in the first section.
• The dependent variable is in the last section.
• There will be multiple constants in the middle.
To figure out what you need in the Measure Data Table, you must first
identify the IV, DV, and the constants!
Lab Question: How does the amount of fertilizer given to a plant affect
how tall it grows?
IV = Amount of fertilizer
Constants = Plant Type
Amount of water
DV = Height of the Plant
Type of fertilizer
Amount of sunlight
Guidelines For Making A Data Table
Let’s Give It A Try!
Table 1: The Effect of Fertilizer Amount on the Height of Pea Plants
Table 1: The Effect of Fertilizer Amount on the Height of Pea Plants
Constants
Independent Variable
Dependent Variable
T1
T2
T3
errors. !
Amt of
Water (mL)
Amt of
Sun (hrs)
0
Pea
Gro Fast!
25
5
Pea
Gro Fast!
10
Pea
15
Pea
Height of Plant (cm)
T1
T2
T3
T4
3
5
6
5
7
25
3
10
10
11
10
Gro Fast!
25
3
15
12
14
13
Gro Fast!
25
3
17
18
17
19
• Fill in the IV values you will test in order from
smallest to largest.!
When we use the same IV values multiple times, the DV values
may be different.!
•
Type of
Fertilizer
T4
• In science, we run the experiment multiple times to help find
•
Type of
Plant
Amt of Fertilizer (g)
•
Conduct experiment and record DV values!
Subdivide the dependent variable column.
Guidelines For A Calculated Data Table
Calculated Data Table
• It is often more useful to calculate another value from
the data you measured during your experiment.!
• Use this value to answer the lab question.
Type of
Plant
Type of
Fertilizer
Amt of
Water (mL)
Amt of
Sun (hrs)
0
Pea
Gro Fast!
25
5
Pea
Gro Fast!
10
Pea
15
Pea
Amt of Fertilizer (g)
Fill in the constants before you start the experiment.
• Your calculated data table will include TWO sections; the first is for
the independent variable and second is for the calculated value(s).!
• The most common calculated value is the average of the trials.
Like your measured data table, your calculated table should be:
Height of Plant (cm)
•
•
•
Neat and organized!
Include labels and correct units!
T1
T2
T3
T4
3
5
6
5
7
25
3
10
10
11
10
Gro Fast!
25
3
15
12
14
13
0
Gro Fast!
25
3
17
18
17
19
5
The purpose of the calculated data table is to communicate
the quantities that you have calculated using your data.
Have a proper title that is descriptive/informative.
Table 2: The Effect of Fertilizer Amount on the Average Height of Pea Plants
Amount of Fertilizer (g)
10
15
Average Height of Plant (cm)
You must include a
sample calculation for
each calculated value!
For Example!
Type of
Plant
Type of
Fertilizer
Amt of
Water (mL)
Amt of
Sun (hrs)
0
Pea
Gro Fast!
25
5
Pea
Gro Fast!
10
Pea
15
Pea
Amt of Fertilizer (g)
One More Together!
Height of Plant (cm)
T1
T2
T3
T4
3
5
6
5
7
25
3
10
10
11
10
Gro Fast!
25
3
15
12
14
13
Gro Fast!
25
3
17
18
17
19
Amount of Fertilizer (g)
For 0 g of Fertilizer:
4
= 5.8 cm
IV = Diameter of the parachute
DV = Time to fall
Average Height of Plant (cm)
0
5.8
5
10.3
10
13.5
15
17.8
5 cm + 6 cm + 5 cm + 7 cm
Lab Question: How does the diameter of a parachute
affect the time it takes a toy hippo to fall 10 feet?
Constants = Height of drop
Toy Type
Let’s Make Tables!
Toy Type
String
Drop
Height (ft) Length (cm)
Fabric
Type
1
Hippo
10
5
cotton
20
Hippo
10
5
cotton
30
Hippo
10
5
cotton
40
Hippo
10
5
cotton
Time to fall (sec)
T1
String length
Let’s Bowl!
Table 1: The Time of Fall of a Toy Hippo Based on Parachute Diameter
Diameter of Parachute
(cm)
Parachute material
T2
T3
To help us practice writing a full lab report, we are going
to conduct the bowling ball lab.
Table 2: The Average Time to Fall of a Toy Hippo Based on Parachute Diameter
Diameter of Parachute (cm)
10
20
30
40
Avg Time to Fall (sec)
• For homework:
• Create a data table and calculated data table for the bowling
ball experiment.