Reading for Speed and Fluency-Book 4 Unit 25 (E)

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세트공유

atom

the smallest unit of an element that has all of the characteristics of that element
Almost the entire mass of an atom can be found in the nucleus.

magnet

a piece of iron or an ore, alloy, or other material that exhibits properties of magnetism
I have many magnets on my refrigerator.

magnetic

of or pertaining to a magnet or magnetism
The clip is magnetic so you can clip things to it and then attach it to the refrigerator.

negative

characterized by negative energy
Make sure you match your battery with the negative charge sign or your remote control won't work.

North Pole

the northernmost part of the earth
Many children believe that Santa Claus lives at the North Pole.

oxygen

a gas without taste, color, or smell which helps form the air we breathe
Living organisms need oxygen to survive.

particle

a small piece
Small particles of dirt were present in the water.

positive

characterized by positive energy
A battery has a plus sign indicating a positive charge.

solar

of or from the sun
Did you happen to see the solar eclipse yesterday?

treat

anything that affords pleasure or enjoyment
My father often gives my brother and I treats when we do well at school.