MAGNETISM 1
Something that attracts metal and other magnets
What is a magnet?
The part of a compass that points North
What is the needle?
How loud or soft a sound is.
What is volume?
Energy we can hear.
What is sound?
The ________ ear is the part of the ear that sends signals to the brain.
What is the inner ear?
To pull closer.
What is attract?
A tool that shows where North is
What is a compass?
To find by using one of the senses.
What is detect?
Sound waves that we can hear when they bounce back to us.
What is an echo?
The _________ ear is the part of the ear that can see.
What is the outer ear?
To push 2 things apart.
What is repel?
The strongest part of a magnet.
What are the poles?
How high or low a sound is.
What is pitch?
To bounce off a surface.
What is reflect?
The top or outside of something
What is surface?
A natural force between magnets and objects.
What is magnetism?
A strong temporary magnet made with electricity.
What is electromagnetic?
A tiny piece of matter that is too small to see.
What is a molecule?
The ________ ear contains small bones that sound waves vibrate.
What is the middle ear?
To make an echo, a sound must bounce off all surface that are hard and __________(shiny, smooth, or cold)
What is smooth?
The area around magnets that attracts magnetic objects.
What is a magnetic field?
A ____________magnet always keeps its magnetic field, but a_______________ magnet loses its magnetic field.
What are a permanent magnet and a temporary magnet?
Ripples of energy
What are waves?
Very fast movement back-and-forth.
What are vibrations?
A way that some animals use sound waves to find things.
What is echolocation ?