/Tag: wedge
17 08, 2017

Simple machines – Physics

By |2018-05-31T11:49:24-07:00August 17th, 2017|Physics|0 Comments

An example of a screw, a wedge, a wheel and axle, and a lever Machines are ways to make it easier to do work. Many plants and animals have evolved natural machines like arm muscles (a kind of lever) or teeth (a kind of wedge) or a bacteria's flagellum (a kind of screw). Many animals also make machines out of [...]

16 08, 2017

Examples of wedges – doorstops and knives

By |2018-05-31T11:49:15-07:00August 16th, 2017|Physics|0 Comments

A zipper is a kind of wedge - or a lot of little wedges! For a project about wedges, collect as many different kinds of wedges as you can find around your house and on your block. What are the wedges made of? Try to find some thin, long wedges (like knives or nails) [...]