THE SCIENCE EXPLORER SERIES《INTERACTIONS》LEVEL 2 ~ THE MYSTERY OF SUPERPOWERS

THE SCIENCE EXPLORER SERIES《INTERACTIONS》LEVEL 2 ~ THE MYSTERY OF SUPERPOWERS
A magnet is an object that produces an area of magnetic force called a magnetic field which is invisible to the human eye. Magnets only attract certain types of metals such as iron, nickel and cobalt. Most magnets are not natural but have to be be made from rare earth, iron, cobalt and nickel.
Magnets are the primary components used in the field of technology and electronics.

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關鍵字詞: STEM | Science | English

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