Science+project+Glossary

Glossary: 1. Compound machine: A machine made up of more than one simple machine, page 1

2.Inclined Plane: a simple machine that is a smooth slanted surface. It is used for moving heavy loads., page 1

3.Joule: The unit to express energy/work, page 1

4.Lever: a simple machine that has of a bar that rotates at a certain point called a fulcrum, page 1

5.Machine: a device that helps you do work., page 1

6.Power: measures the rate at which work is done or enery that has been change, page 1

7.Pulley: a simple machine that has a rope where it is over a rope, chain, or wire., page 1

8.Screw: a simple machine that has a inclined plane wrapped around a cylinder, page 2

9.Watt: the unit to express power, page 1

10.Wedge: a simple machine that is made up of two inclined planes and that moves, page 1

11.Wheel and axle: a simple machine that has two circular objects that are different sizes, page 1

12. Work: The transfer of energy to a body by a force and that force causes the body to move, page 1

13.Work input: The work done on a machine, page 1

14.Work output: The work by a machine, page 1

"Holt Science and Technology." //Go.hrw.com//. Holt Science and Technology, 1 Jan. 2001. Web. 8 Mar. 2011. .