Magnets and Magnetism — Unit test

Question 1

How was Aristotle’s model similar to Ptolemy’s model?

Revolt · Accepted Answer

Both models stated that Earth is the center of the system around which other objects orbit.

Question 2

How are the magnetic field lines near the south pole of a magnet affected when a second south pole is brought near it?

Revolt · Accepted Answer

The field lines bend away from the second south pole.

Question 3

Which statement correctly describes Earth’s magnetic field?

Revolt · Accepted Answer

The magnetic pole near the South Pole is a north pole.

Question 4

Which phrase accurately describes an elliptical galaxy?

Revolt · Accepted Answer

has no new stars being formed

Question 5

Which two planets are called "ice giants”?

Revolt · Accepted Answer

Neptune and Uranus

Question 6

Which statement about Earth’s core helps explain Earth’s magnetic field?

Revolt · Accepted Answer

Earth’s core is composed of iron and nickel.

Question 7

What is the main element that stars are made of?

Revolt · Accepted Answer

hydrogen

Magnets and Magnetism — Unit test Answers