Unit 1 Review - Condensed for Midterm

Front

What is an observation?

Back

Using your senses to notice what is going on around you.

Front

What is a model in scientific terms?

Back

A model is something that scientists use to represent an idea or explanation.

Front

What is the measurable factor in an experiment called?

Back

Dependent Variable.

Front

In an experiment, what is the dependent variable?

Back

The dependent variable is the factor that is measured, such as the students' average test scores in Khaleel's experiment.

Front

What is evolution?

Back

Evolution is the widely held notion that all life is related and has descended from a common ancestor.

Front

What is a scientific theory?

Back

A scientific theory is a well-substantiated explanation of an aspect of the natural world that is based on a body of evidence.

Front

What is the difference between an independent variable and a dependent variable?

Back

The independent variable is the one that is changed or controlled in a scientific experiment, while the dependent variable is the one that is measured.

Front

What is a constant in an experiment?

Back

A constant is a factor that remains the same throughout an experiment.

Front

What is a hypothesis?

Back

A hypothesis is a proposed explanation for a phenomenon, which can be tested through experimentation.

Front

What is the purpose of a control group in an experiment?

Back

The control group is used as a benchmark to measure how the other tested subjects do.