What two main sections are there to a procedure?

• Steps and Materials

• Date and Time

• Questions and Answers

• Hypotheses and Variables

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SCI.1.4

How should the steps of the procedure be written?

• In a paragraph

• In numbered order

• With only images

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SCI.1.4

How many times do you need to measure each condition tested?

• 1

• 2

• 3

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SCI.1.4

True of False: you will need to calculate an average of all three measurements.

• True

• False

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SCI.1.4

What is the purpose of an experiment procedure?

• To keep you and others safe and to allow someone to be able to repeat your experiment, and to test a hypothesis.

• To list out suggestions for collecting data.

• To write a story about conducting an experiment and to explain how someone could get hurt.

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SCI.1.4

Indicate the information that goes into the marked columns

a

b

c

d

Average

Trial 3

Dependent Variable

Independent variable

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SCI.1.4

Why is it important to measure each condition 3 times?

• For addional practice

• To catch errors and get more accurate results

• To make a larger data table

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SCI.1.4

Create a simple procedure to determine which color marker will be harder to clean off a white board. Only indicate the steps needed.

Independent Variable: different colored markers

Dependent Variable: number of wipes needed to remove the color from the white board.

Controlled Variable: White Board, Brand of Markers, Type of Cloth used to wipe off marker.
Include 3 trials for each color.

Answer explanation

Your pocedures should answer the following questions:

1. 1)What data will I need to collect in order to know if my hypothesis is supported? DV

1. 2)What conditions will I need to test (amounts, brands, colors, size, temperature) and how many times to confidently know if my hypothesis is supported (min. 3 times)? IV

2. 3)What steps do I need to take to make sure each test is fair? CV

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SCI.1.4