Use a magnet. Although there are other magnetic metals, for example cobalt, most of the items you will find with a magnet will be iron-rich.
In the shower
On the ground on the pavement
Gravity :) Jump into the air every day, tell me if gravity is present.
Some minerals include stuff you might have in your cereal like iron and zinc.
dates consisting of 3 integers: day, month, year. your age
3 words: every, day, life
Every Day Is a New Life was created on 2000-10-03.
Area is used to find out how large of a rug you can place in your living room, or to find out how large of a painting you can get.
Dictionaries, encyclopedias, atlases, friends, family, and the internet are used to find information every day.
It is used every day by analytical scientist to find out the amount of substance in a sample.
Ants like sugar, and that can be applied to every day life as a sweetener.
You probably use metric and imperial in your every day life.