Physical Science Review

4. changing this can allow substances to change states
5. type of magnet whose magnetic field cannot be turned off
7. slows or blocks the flow of electricity
10. new substance is formed
16. state of matter with slowest particle movement
17. area around a magnet where it can attract items
18. state of matter with the most energy
19. created by wrapping coils of wire around metal object and passing electricity through it
21. must have a power source a load and conductors

1. type of electricity that is man made and used to power many items
2. this part of a circuit is used to open and close the circuit
3. type of magnet that will not stay a magnet
6. items are mixed together but keep their physical properties
8. sudden transfer of electrons from one object to another
9. physical properties change but no new substance
11. cooking or burning is always a ___________________ change
12. changing states of matter is a __________________ change
13. a solid is dissolved in a liquid
14. allow electricity to flow easily
15. state of matter that changes shape to match container
17. anything that takes up space and has mass
20. this chemical change occurs when oxygen and water combine and form a new substance