CK-12 Physical Science - For Middle School

26.14. N http://www.ck12.org 26.14 N natural resource Anything people can use that comes from nature. net force Overall force ac ...

http://www.ck12.org Chapter 26. Glossary 26.15 O observation Any information that is gathered with the senses. Ohm’s law Law sta ...

26.16. P http://www.ck12.org 26.16 P parallel circuit Electric circuit that has two (or more) loops through which current can fl ...

http://www.ck12.org Chapter 26. Glossary Exactness of a measurement. pressure Amount of force pushing against a given area. prim ...

26.17. Q http://www.ck12.org 26.17 Q quark Particle of matter that makes up protons and neutrons. ...

http://www.ck12.org Chapter 26. Glossary 26.18 R radar radio detection and ranging; use of reflected radio waves to track the po ...

26.18. R http://www.ck12.org called the dependent variable ...

http://www.ck12.org Chapter 26. Glossary 26.19 S salt Ionic compound formed when an acid and base react. saturated hydrocarbon H ...

26.19. S http://www.ck12.org Transfer of energy from a vibrating object in longitudinal waves that travel through matter. sound ...

http://www.ck12.org Chapter 26. Glossary 26.20 T technological design Development of new technology. technology Application of k ...

26.21. U http://www.ck12.org 26.21 U ultrasound Sound with a frequency above the range of human hearing (greater than 20,000 her ...

http://www.ck12.org Chapter 26. Glossary 26.22 V valence electron Electron in the outer energy level of an atom that is potentia ...

26.23. W http://www.ck12.org 26.23 W watt (W) SI unit for work, equal to 1 joule of work per second. wave amplitude Maximum dist ...

http://www.ck12.org Chapter 26. Glossary 26.24 X X ray Wave in the electromagnetic spectrum with a wavelength between the wavele ...