Cis forCamouflage
Camouflage is a way that animals can blend into the backgrounds by making themselves look as much like the background as possible. Some flat fish look exactly like the bottom of the sea. Some insects look exactly like the leaf they sit on. Can you see the insect in the picture? (it is at the bottom right, look closely)
You go camping when you go away from home, usually to a wilderness area, and stay in a tent. People often go on camping trips on their vacation time.
A can, also called a tin can or just a tin is a metal container used to store food for very long times. Cans are made from steel coated with a layer of tin.
Some cans have ring pull so you can open them easily, most cans need a can opener to open them.
Cis forCan opener
A can opener, or tin opener, is a device used to open cans of food. There are many different styles of can opener, including a simple blade, a small blade and a handle you can turn around, two wheels and a handle to turn them around, and an electric machine that does all the work for you.
The first bladed can openers were invented in the 1850s. Single wheel design can openers were invented in 1870 but the two wheeled model - one sharp wheel, one serrated wheel to hold the can - was only invented in 1925.