Research Summaries: experimental design, variables, controls and prediction quiz quiz
12questions. Pick an answer and you'll see why right away.
Research Summaries is best described as the ACT Science format that:
When a question names 'Experiment 2,' the most efficient first move is to:
The independent variable in an experiment is:
On a results table, the dependent variable is usually found in:
An experiment on a new drug includes a group given no drug. The purpose of this group is to:
Experiment 2 repeats Experiment 1 exactly but uses a 2 M acid instead of a 1 M acid. To find the effect of acid concentration, you compare the two experiments:
Two experiments differ only in light intensity, both run at 20 degrees Celsius, and plants grew taller at higher intensity. You can conclude that:
A spring stretches 2 cm at 1 N, 4 cm at 2 N, and 6 cm at 3 N. If the pattern holds, the predicted stretch at 4 N is:
A reaction's rate rose with temperature up to 40 degrees Celsius, then fell as the enzyme denatured. The best prediction for the rate at 70 degrees Celsius is that it would be:
Why is a predicted value beyond the tested range (extrapolation) less certain than one within it (interpolation)?
In an engineering passage, the design goal is to minimise heat loss. The best material is the one with:
An engineering passage sets a budget of under 8. The correct conclusion is that this material: