Magnets and Magnetism — Unit test Answers

Which characteristic is common to all inner planets?

Which planet revolves slowly around the Sun, has rings, and is known for its Great Red Spot?

What is some of the evidence used by Galileo to support Copernicus’s model and disprove Aristotle and Ptolemy’s?

Which type of galaxy has arms that contain sites of active star formation and start close to a bulge in the center?

How did Galileo increase public support for Copernicus’s model?

What are the two main types of star clusters?

Which object(s) formed last in our solar system?

According to the big bang theory, which statement is accurate about how the universe came to be?

An object that is made of which material is likely to be attracted to a magnet?

What is a nebula?

A bar magnet is cut in half, as shown. Which shows the pieces after the magnet is cut?

Which two characteristics are used to classify stars on the Hertzsprung-Russell diagram?

Which type of star system has the most stars?

Which statement accurately describes a light-year?

What can be observed only by observing its effects on gravity?

Which phrase describes the composition of the outer planets?

Which correctly lists three planets that have rings?

What is released through nuclear fusion in stars?

Which planet is terrestrial?

What will a medium-mass star become at the very end of its life cycle?