In an experiment to investigate how volume affects cooling rate of water, a suitable hypothesis would be ...
In an experiment to investigate how volume affects cooling rate of water, a controlled variable would be ...
Something that is capable of being measured in an experiment is called
Select the answer that best describes the statement:
reliability | dependent variable | validity | concept | |
|---|---|---|---|---|
Which term describes the researcher's ability to measure what was intended? | ||||
The consistency or repeatability of experiment results over time? |
Place these steps for performing an investigation in the correct order.
Form a hypothesis
Write a conclusion
Gather information
State the problem
Test the hypothesis
Match the variable or group with the correct description:
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
Group that gets the normal treatment | arrow_right_alt | Independent variable |
The Scientist picks or chooses | arrow_right_alt | Dependent variable |
Group that gets the experimental treatment | arrow_right_alt | Controlled variables |
The Scientist measures | arrow_right_alt | Experiment group |
The Scientist keeps the same | arrow_right_alt | Control group |
Which of the following is viewed as a scientific fact without any exceptions?
If you were testing how well different dish soap cleaned grease, the independent variable would be the:
A scientist designed an experiment to test the effect of temperature on bacterial growth. She grew three different cultures of the bacterium E. coli under three heat lamps at different temperatures. What was the independent variable in this experiment?
A student’s experiment showed that earthworms move away from light. This statement should be classified as