Experimental Design B/C

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kate!
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Re: Experimental Design B/C

Post by kate! » February 23rd, 2018, 11:07 am

dxu46 wrote:
List two methods for making an Experimental Control and when they appropriate to use.
Just confirmed: my topics for this year are the Statement of Problem, Hypothesis, Variables, Experimental Control, and Conclusion. Quite different from last year, which was Quantitative Data(table and graph), statistics, and Errors...crying inside :cry: :cry: :cry:
Reviving the forum yay
idk if this is right but here goes
1) when your independent variable has values, (such as 2 marbles, 4 marbles, 6 marbles) the control would be zero (so, 0 marbles)
2) when your independent variable has levels, (such as paper towel, printer paper, plastic bag) the control would be the medium value (so,
 the printer paper because it is medium thickness)
Two years ago I knew stuff about rocks, minerals, experiments, and ecosystems, yay!
Last year I knew stuff about amphibians, reptiles, freshwater, and more experiments, yay again!
Now I know stuff about oceanography, saltwater, birds, and fossils, yay for the third time!

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dxu46
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Re: Experimental Design B/C

Post by dxu46 » February 23rd, 2018, 4:14 pm

kate! wrote:
dxu46 wrote:
List two methods for making an Experimental Control and when they appropriate to use.
Just confirmed: my topics for this year are the Statement of Problem, Hypothesis, Variables, Experimental Control, and Conclusion. Quite different from last year, which was Quantitative Data(table and graph), statistics, and Errors...crying inside :cry: :cry: :cry:
Reviving the forum yay
idk if this is right but here goes
1) when your independent variable has values, (such as 2 marbles, 4 marbles, 6 marbles) the control would be zero (so, 0 marbles)
2) when your independent variable has levels, (such as paper towel, printer paper, plastic bag) the control would be the medium value (so,
 the printer paper because it is medium thickness)
That works, but it isn't something that I would normally use. Your turn!

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Re: Experimental Design B/C

Post by kate! » February 24th, 2018, 12:28 pm

Okay so I'm not exactly sure if these are good questions but here goes
1. What are 3 examples of qualitative observations?
2. What would be the independent and dependent variables and hypothesis in this experiment? (topic: parachutes... yes I am aware this experiment already exists)
- plastic bag
- newspaper
- printer paper
- paper towel
- one small plastic cup
- string
- 10 marbles
Two years ago I knew stuff about rocks, minerals, experiments, and ecosystems, yay!
Last year I knew stuff about amphibians, reptiles, freshwater, and more experiments, yay again!
Now I know stuff about oceanography, saltwater, birds, and fossils, yay for the third time!

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dxu46
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Re: Experimental Design B/C

Post by dxu46 » February 27th, 2018, 7:19 pm

kate! wrote:Okay so I'm not exactly sure if these are good questions but here goes
1. What are 3 examples of qualitative observations?
2. What would be the independent and dependent variables and hypothesis in this experiment? (topic: parachutes... yes I am aware this experiment already exists)
- plastic bag
- newspaper
- printer paper
- paper towel
- one small plastic cup
- string
- 10 marbles
1. In a thermal energy experiment...
- We noticed that the ice cube didn't melt parallel to the heat plate
- We noticed that the ice cube's temperature never exceeded 0 degrees Celsius
- We noticed that the heat plate didn't return to its temperature it was before we started the experiment
2. How does [b]the material of a parachute[/b] affect [b]the time it takes to fall to the ground from a fixed height[/b]?

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Re: Experimental Design B/C

Post by kate! » February 27th, 2018, 7:57 pm

dxu46 wrote:
kate! wrote:Okay so I'm not exactly sure if these are good questions but here goes
1. What are 3 examples of qualitative observations?
2. What would be the independent and dependent variables and hypothesis in this experiment? (topic: parachutes... yes I am aware this experiment already exists)
- plastic bag
- newspaper
- printer paper
- paper towel
- one small plastic cup
- string
- 10 marbles
1. In a thermal energy experiment...
- We noticed that the ice cube didn't melt parallel to the heat plate
- We noticed that the ice cube's temperature never exceeded 0 degrees Celsius
- We noticed that the heat plate didn't return to its temperature it was before we started the experiment
2. How does [b]the material of a parachute[/b] affect [b]the time it takes to fall to the ground from a fixed height[/b]?
Perfect answers, your turn!
Two years ago I knew stuff about rocks, minerals, experiments, and ecosystems, yay!
Last year I knew stuff about amphibians, reptiles, freshwater, and more experiments, yay again!
Now I know stuff about oceanography, saltwater, birds, and fossils, yay for the third time!

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dxu46
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Re: Experimental Design B/C

Post by dxu46 » March 1st, 2018, 5:00 pm

1. What's the difference between a qualitative experiment and a quantitative experiment?
2. How would the differences be represented in the quantitative data section (including data table and graph)?

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Re: Experimental Design B/C

Post by UTF-8 U+6211 U+662F » March 1st, 2018, 5:05 pm

dxu46 wrote:
1. What's the difference between a qualitative experiment and a quantitative experiment?
2. How would the differences be represented in the quantitative data section (including data table and graph)?
Hijacking this thread a little, but you don't need to put your questions in hide tags :P

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Re: Experimental Design B/C

Post by dxu46 » March 1st, 2018, 5:06 pm

UTF-8 U+6211 U+662F wrote:
dxu46 wrote:
1. What's the difference between a qualitative experiment and a quantitative experiment?
2. How would the differences be represented in the quantitative data section (including data table and graph)?
Hijacking this thread a little, but you don't need to put your questions in hide tags :P
Nah, I like
tags.

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Re: Experimental Design B/C

Post by kate! » March 4th, 2018, 8:12 am

dxu46 wrote:
1. What's the difference between a qualitative experiment and a quantitative experiment?
2. How would the differences be represented in the quantitative data section (including data table and graph)?
1. A qualitative experiment would have levels of the independent variable (i.e. copy paper, newspaper, lined paper) and a quantitative experiment would have amount (i.e. 3 marbles, 4 marbles, 5 marbles)

2. Qualitative experiment table- separate data for trials of each level of the IV
Quantitative experiment table- data for trials of each amount

Qualitative experiment graph- depending on the amount of levels, x amount of lines on the graph
Quantitative experiment graph- one line on the graph
Two years ago I knew stuff about rocks, minerals, experiments, and ecosystems, yay!
Last year I knew stuff about amphibians, reptiles, freshwater, and more experiments, yay again!
Now I know stuff about oceanography, saltwater, birds, and fossils, yay for the third time!

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dxu46
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Re: Experimental Design B/C

Post by dxu46 » March 4th, 2018, 10:32 am

kate! wrote:
dxu46 wrote:
1. What's the difference between a qualitative experiment and a quantitative experiment?
2. How would the differences be represented in the quantitative data section (including data table and graph)?
1. A qualitative experiment would have levels of the independent variable (i.e. copy paper, newspaper, lined paper) and a quantitative experiment would have amount (i.e. 3 marbles, 4 marbles, 5 marbles)

2. Qualitative experiment table- separate data for trials of each level of the IV
Quantitative experiment table- data for trials of each amount

Qualitative experiment graph- depending on the amount of levels, x amount of lines on the graph
Quantitative experiment graph- one line on the graph
That would work, your turn!

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