APEX unit 1 Nature of Science

Which of these are part of a scientific way of gathering information?

• Investigations

• Opinions

• Religious Beliefs

• Fairy tales

Which of these is important to gathering and interpreting scientific information?

• Logic

• emotion

• religion

• legend

Which two statements describe a claim that is based on science?

• It is based on logical reasoning and a long tradition.

• It is based on logical reasoning and empirical evidence.

• It is based on empirical evidence and personal bias.

• It is based on personal bias and a long tradition.

Which statement is a scientific claim?

• Observations of certain stars explain why human behave the way they do.

• The constellation Orion is the easiest to recognize because of the stars in its belt.

• Observations of constellations show that stars have moved over time.

• Three stars in the constellation Orion look like a belt that a hunter might wear.

If a scientist gets unexpected results during the first trial of an experiment, what should he or she do next?

• Change the data to match expectations.

• Reject the scientific theory not supported by the results.

• Publish only the expected data.

• Repeat the experiment to be sure the results are valid.

Why is publishing results important is science?

• It lets scientists how off their imaginations.

• It allows others to evaluate the results.

• It turns hypotheses into scientific laws.

• It add bias to experimental data.

The heliocentric theory explains that planets orbit the Sun at the center of our solar system. It replaced the geocentric theory, which suggested all objects in space orbit Earth.

Which evidence could have helped disprove the geocentric theory and lead to the development of the heliocentric theory?

• The planet Earth appears to be a stationary point in space.

• The moons of the planet Jupiter are observed revolving around Jupiter.

• Objects in the sky, including the Sun, appear to revolve around Earth on a daily cycle.

• Earth's moon appears larger in the sky than the Sun.

Using radio telescopes, astronomers have found evidence that no new matter is forming in the universe, which what the big bang theory predicted. This work is part of which process used in developing scientific theories?

• Using new data to modify an existing scientific theory.

• Using new technology to replace outdated theories with new ideas.

• Using imagination to spark new ideas.

• Using new technology to provide additional supporting data.

A group of students is setting up a test to see whether earthworms prefer rough or smooth surfaces. Which type of investigation is the group doing?

• Descriptive

• Comparative

• Experimental

• Controlled

Which type of investigation involves looking for ways that two or more objects, events, or processes are alike and different?

• Experimental investigation

• Controlled investigation

• Comparative investigation

• Descriptive Investigation