Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
22 Cards in this Set
- Front
- Back
|
There are ___ poles on a magnet
|
2
|
|
|
The poles on a magnet are called ___ & ___.
|
North and South
|
|
|
The force field on a magnet is called a....
|
magnetic field
|
|
|
Magnets are attracted to the metals ___, ___, ___, and ___
|
iron, cobalt, steel, nickel
|
|
|
Magnets are not attracted to things like...
|
aluminum, glass brass, copper, paper
|
|
|
North pole is opposite of ....
|
south pole
|
|
|
North pole is attracted to ....
|
south pole
|
|
|
A natural magnetic rock on earth is called...
|
lodestone
|
|
|
Another name for lodestone is....
|
magnetite
|
|
|
Magnetite gets its name from the Greek name....
|
Magnus
|
|
|
Does every part of the magnet have the same strength?
|
No
|
|
|
The first people to make the first compass from a magnet were the....
|
Chinese
|
|
|
A compass needle points ___ & ___.
|
north and south
|
|
|
A compass helps people do what?
|
find their way
|
|
|
The earth has a gigantic ___ ___ around it.
|
magnetic field
|
|
|
Sound is a form of e____ that travels in ____.
|
energy
waves |
|
|
Sound can travel through ___, ___, and ___.
|
Solids, liquids, gases
|
|
|
A sound wave that hits an object and bounces back is called an...
|
echo
|
|
|
To vibrate means to move how?....
|
back and forth
|
|
|
How loud or soft sound is is called....
|
volume
|
|
|
Loud sounds can ___ your ears.
|
damage
|
|
|
Sound waves travel through the air at a ____ speed than light.
|
slower
|
