WorksheetsVariables & Lab Safety
Total questions: 10
Worksheet time: 5mins
Molly harvests mushrooms in the forests of Oregon and then sells them to local restaurant chefs. The greater the weight of the mushrooms, the greater their value.
w = the weight of the mushrooms
v = the value of the mushrooms
v is the independent variable and w is the dependent variable
w is the independent variable and v is the dependent variable
A constant or controlled variable is one which
must be included in an experiment so as to add the element of human error.
is a type of second independent variable which allows one to test multiple effects in a single experiment.
is undesirable and adds a source of error to the experiment.
is kept consistent between the two groups being compared.
A study was conducted to determine the effects of climbing different altitudes on a climber's memory.
What is the INDEPENDENT VARIABLE?
Same mountain climbed. Only test males.
Different altitudes
Climber's memory
The mass of the object is 76.5 g. This is considered a(n) . . .
qualitative observation
inference
quantitative observation
The solution in the beaker is colorless. This is considered a(n) . . .
qualitative observation
inference
quantitative observation
