Quiz about Amplify Magnetic Fields 1.4, 1.5, and 1.6

Question 1

Why does a compass always point north?

Accepted Answer

The positive north side of the compass magnet is attracted to the magnetic south pole

Answer

That is where Santa lives and everyone loves Santa

Answer

The positive north side of the compass magnet is attracted to the magnetic north pole

Question 2

Why do compasses work at all?

Accepted Answer

the earth is a magnet with an molten iron core which creates a magnetic field around the earth

Answer

it's magic

Answer

the earth has a large magnet buried in it

Question 3

The magnetic south pole is at the north pole

Accepted Answer

true

Answer

false

Question 4

The magnetic north pole is at the south pole

Accepted Answer

true

Answer

false

Question 5

Magnetic field lines

Accepted Answer

represent the magnetic force around magnets and the earth

Answer

are real lines around magnets

Question 6

Magnetic field

Accepted Answer

the space around a magnet where magnetic forces are located

Answer

a field of magnets

Question 7

The magnetic force

Accepted Answer

moves from the positive (north) to the negative (south)

Answer

moves in random waves around the magnet

Answer

moves from the negative (south) to the positive (north)

Question 8

Are these magnetic field lines attracting or repelling?

Accepted Answer

attracting

Answer

repelling

Question 9

Are these magnets attracting or repelling?

Accepted Answer

repelling

Answer

attracting

Question 10

Are these magnets attracting or repelling?

Accepted Answer

both

Answer

attracting

Answer

repelling

Question 11

Why do these magnets attract?

Accepted Answer

opposite poles attract

Answer

like poles attract

Answer

like poles repel

Answer

opposite poles repel

Question 12

Why do these magnets repel?

Accepted Answer

like poles repel

Answer

like poles attract

Answer

opposite poles attract

Answer

opposite poles repel

Question 13

Electric fields and magnetic fields produce both attractive and repulsive forces.

Accepted Answer

true

Answer

false

Question 14

What is the direction of the magnetic force in attracting magnets?

Accepted Answer

the force comes out of the positive north pole and goes into the negative south pole of the other magnet

Answer

the force comes out of the negative south pole and goes into the positive north pole of the other magnet

Question 15

What is the direction of the magnetic force in repelling magnets?

Accepted Answer

the force comes out of the positive north pole and goes into the negative south pole of itself

Answer

the force comes out of the negative south pole and goes into the positive north pole of itself

Question 16

Attracting or repelling?

Accepted Answer

repelling

Answer

attracting

Question 17

Attracting or repelling?

Accepted Answer

both

Answer

attracting

Answer

repelling

Question 18

Were the launching and spacecraft magnets aligned or misaligned?

Accepted Answer

aligned

Answer

misaligned

Question 19

Are the launching and spacecraft magnets attracting or repelling?

Accepted Answer

repelling

Answer

attracting

Question 20

Do the magnetic field line diagrams from the launchers support or not support claim 1: the magnets were misaligned on Tuesday.

Accepted Answer

does not support

Answer

supports

Question 21

Magnetic field lines are closet together at the

Accepted Answer

poles

Answer

lines

Question 22

Magnetic field lines can cross over each other

Accepted Answer

false

Answer

true

Question 23

A(n) __________ is a device that has a magnetized needle that can spin freely.

Accepted Answer

Compass

Answer

Magnetic Field

Question 24

The motion of liquid _______ in the Earth's core creates a magnetic field.

Accepted Answer

Iron

Answer

Magnesium

Question 25

What happens when two north poles of a magnet are placed together?

Accepted Answer

they repel

Answer

they attract

Answer

they cancel each other out

Answer

the strength of the magnet is doubled

Amplify Magnetic Fields 1.4, 1.5, and 1.6

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