SOL review 2

Front

What did Francesco Redi's experiment in 1668 demonstrate about fly larvae?

Back

Fly larvae only come from adult flies.

Front

What is the most valid way to test the hypothesis regarding pine seeds after a fire?

Back

Include a control group of pine seeds that were found before a fire.

Front

In an experiment studying plant growth, what is the independent variable if the same seeds are planted in different soil samples?

Back

Soil.

Front

Which question cannot be answered scientifically due to the inability to measure the quantity?

Back

How happy is a chimpanzee when it finds its favorite food?

Front

What method can scientists use to distinguish between tundra swans in winter and summer locations?

Back

Capture and put coded bands on the birds in Virginia, then record the bands seen in the summer location.

Front

What is an independent variable in an experiment?

Back

The variable that is changed or controlled to test its effects on the dependent variable.

Front

What is a dependent variable in an experiment?

Back

The variable that is measured and affected in the experiment.

Front

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

Back

To provide a baseline for comparison against the experimental group.

Front

What does it mean for a hypothesis to be testable?

Back

It can be supported or refuted through experimentation or observation.

Front

What is the scientific method?

Back

A systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.