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Science Experiments
Experiments often conducted by students to test different scientific theories and hypotheses
11,111 Questions
Who controls the independent variable?
It could be the experimenter, someone else (in a double blind experiment) or nobody.
Is the independent variable the thing that's being tested?
Sometimes yes, but often that is not considered an independent variable but simply a replication of the same experiment.
Is the controlled variable the independent variable?
It can be but it is equally possible that the experimenter has absolutely no control over the independent variable.
For example, in studying the grades of a class in a school, the pupils' gender may be an independent variable of interest. But the experimenter cannot control that variable.
What is the 1 2 3 in your procedure?
1. Find a question that cannot be answered because there is insufficient context.
2. Post an answer.
3. Move on to other things.
Is 9 FL OZ bigger than 125.0 cm?
There is no equivalence.
A centimetre is a measure of length or distance in 1-dimensional space while a fluid ounce is a measure of volume in 3-dimensional space. The two measure different things and, according to basic principles of dimensional analysis, conversion from one to the other is not valid.
There is no equivalence.
A centimetre is a measure of length or distance in 1-dimensional space while a fluid ounce is a measure of volume in 3-dimensional space. The two measure different things and, according to basic principles of dimensional analysis, conversion from one to the other is not valid.
There is no equivalence.
A centimetre is a measure of length or distance in 1-dimensional space while a fluid ounce is a measure of volume in 3-dimensional space. The two measure different things and, according to basic principles of dimensional analysis, conversion from one to the other is not valid.
There is no equivalence.
A centimetre is a measure of length or distance in 1-dimensional space while a fluid ounce is a measure of volume in 3-dimensional space. The two measure different things and, according to basic principles of dimensional analysis, conversion from one to the other is not valid.
How many significant figures are in 0.901?
Three. All nonzero numbers are significant, and any zeros in between significant numbers are significant.
What is a possible independent variable?
Any variable can be an independent variable: it depends on the context.
In biology what is an independent variable?
the variable that is purposely changed by the experimenter.
What is an object's independent variable?
Its existence is the only independent variable. Anything else depends on the context of the study.
What should be the only independent variable?
In most real life cases, limiting an experiment to only one independent variable makes the whole experiment a waste of time. More often than not there are several independent variables.
So no other variables influence your results.
Is a seed an independent variable?
It can be. If you are looking at the germination time under different conditions of temperature and humidity etc.
What type of graph would be needed for a mode calculation?
For discrete data, a bar chart. For continuous data a grouped frequency chart (histogram).
What is the function of the dependent variable in an experiment?
it is the thing in the expierement that you dont change
If potassium burns purple wound a banana burn the same color?
Sadly not because the average weight of a banana is 118 grams and the average amount of potassium in a banana is 422 mg and that is not enough potassium for the banana to burn purple due to all of the chemicals that make up a banana
What was the problem with van helmonts experiment?
Van Helmont's experiment aimed to demonstrate that plants gain mass primarily from water. However, he failed to account for other factors contributing to plant growth, such as soil nutrients and carbon dioxide from the air. Additionally, his methodology lacked controls and precise measurements, which limited the validity of his conclusions. Consequently, while he made significant observations, his experiment did not definitively prove his hypothesis.
