Science State Test Review

Front

What is the definition of ICE CORE?

Back

A long cylinder of ice obtained from drilling through ice caps or ice sheets; used to study past climates.

Front

What is the role of evidence in modifying scientific theories?

Back

Evidence can refute or support theories, leading to modifications.

Front

Which of the following is an example of a chemical change?

Back

Rusting of iron.

Front

What is the definition of HALF-LIFE?

Back

The time required for half of a sample of a radioactive isotope to break down by radioactive decay to form a daughter isotope.

Front

What is the role of a control group in a scientific experiment?

Back

To provide a standard for comparison against the experimental group.

Front

What is the definition of a scientific theory?

Back

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 a hypothesis and a theory?

Back

A hypothesis is a testable prediction, while a theory is a well-supported explanation.

Front

What is the definition of a variable in an experiment?

Back

Any factor, trait, or condition that can exist in differing amounts or types.

Front

What is the purpose of a scientific experiment?

Back

To test a hypothesis by collecting data under controlled conditions.

Front

What is the definition of a dependent variable?

Back

The variable that is measured or observed in an experiment.