Chem Lab terms

The __________ is a systematic and logical approach used by scientists to investigate natural phenomena.

Scientific Method

A __________ is a testable statement or educated guess that predicts the outcome of an experiment.

Hypothesis

Any factor, trait, or condition that can exist in differing amounts or types in an experiment is referred to as a __________.

Variable

The __________ is the variable that is intentionally manipulated by the researcher to observe its effect on the dependent variable.

Independent Variable

The __________ is the variable that is observed and measured in response to changes in the independent variable.

Dependent Variable

A __________ is a group in an experiment that is not subjected to the experimental treatment.

Control Group

The __________ is the group in an experiment that is exposed to the treatment or variable being tested.

Experimental Group

The __________ states that there is no significant difference or effect.

Null Hypothesis (H0)

The __________ suggests that there is a significant difference or effect, contradicting the null hypothesis.

Alternative Hypothesis (H1 or Ha)

In a __________, all variables are kept constant except for the independent variable being tested.

Controlled Experiment

__________ is the process of repeating an experiment to verify results and ensure reliability.

Replication

The act of gathering information through the use of the senses or instruments is called __________.

Observation

__________ refers to facts, figures, and other evidence gathered through observations and experiments.

Data

A __________ summarizes the results of an experiment and discusses whether the data supports or refutes the hypothesis.

Conclusion

__________ is the evaluation of scientific work by other experts in the field before it is published.

Peer Review

A __________ is a well-substantiated explanation based on empirical evidence that has withstood testing and scrutiny.

Theory

__________ refers to systematic error introduced into sampling, testing, or reporting, which distorts results.

Bias

__________ are the principles that guide researchers to conduct their work responsibly and ethically.

Ethics in Research

A __________ is a statement that describes a consistent and universal relationship observed in nature.

Scientific Law