write the word or words that best complete each statement. The natural magnet discovered by the Greeks is called _____________________. The process by which artificial magnets are created is called _____________________. The error in a compass is called ____________________. The _____________________ of electrons creates a magnetic field in an atom.
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
, write the word or words that best complete each statement.
- The natural magnet discovered by the Greeks is called _____________________.
- The process by which artificial magnets are created is called _____________________.
- The error in a compass is called ____________________.
- The _____________________ of electrons creates a magnetic field in an atom.
- Atomic magnetic fields group together in regions called _____________________.
- The relationship between electricity and magnetism is called _____________________.
- Wrapping a coil of conducting wire around a piece of iron makes a (an) _________________
_________________.
8. A ______________________ converts electric energy into mechanical energy.
9.Current that constantly changes directions is called ____________________.
10.An
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