Science Concepts Flashcards

Front

A _____ is an educated guess about the outcome of an experiment.

Back

hypothesis

Front

Something you observe with your own eyes is called a(n):

Back

observation

Front

When you explain or make sense of your observations, you are making a(n):

Back

inference

Front

The steps scientists use to help figure out why things happen the way they do is called the:

Back

scientific method

Front

A variable in an experiment that is purposely changed by the experimenter is called a(n):

Back

independent variable

Front

Those things that are purposely kept the same throughout an experiment are called:

Back

constants

Front

The factor in an experiment that changes as a result of manipulating the independent variable is called the:

Back

dependent variable

Front

Scientists think the Earth was formed ______ years ago.

Back

4.6 billion

Front

The preserved remains or imprints of animals, plants, and other organisms from the distant past are called:

Back

fossils

Front

Name the layers of the Earth according to the diagram below.

Back

A. crust B. mantle C. outer core D. inner core