Which of the following is NOT one of the four steps of the scientific method?

• Formulation of problem

• Observation & experiment

• Hypothesis testing

• Testing the interpretation

What is the term for a relationship or regularity between naturally occurring phenomena?

• Hypothesis

• Law

• Theory

• Experiment

Which constellation is used to locate the North Star?

• Orion

• Ursa Major

• Polaris

• Cassiopeia

Who described the universe as having the Earth at the center with the sun, stars, and planets revolving around it?

• Copernicus

• Kepler

• Newton

• Ptolemy

Which scientist developed the heliocentric model of the universe?

• Ptolemy

• Copernicus

• Kepler

• Newton

What did Kepler discover about the paths of the planets around the sun?

• They are circular

• They are ellipses

• They are parabolas

• They are hyperbolas

Newton's law of gravity explains which of the following phenomena?

• The occurrence of two high tides and two low tides in coastal areas

• The elliptical orbits of planets

• The daily rising and setting of celestial bodies

• The irregular movements of planets

Which of the following is NOT an SI unit?

• Meter

• Second

• Kilogram

• Pound

What is the correct representation of a measurement in scientific notation?

• A value between 1 & 10 times a power of 10

• A value between 0 & 1 times a power of 10

• A value between 10 & 100 times a power of 10

• A value between 0 & 100 times a power of 10

Which of the following quantities has both magnitude and direction?

• Scalar quantities

• Vector quantities

• Speed

• Distance