Have you ever been to a display of chemical energy?You probably have, but you called it something else. At a display of chemical energy, there are usually many different colored lights and a lot of noise.Rockets shoot up into the…
How do you keep cool in your house? What sort of light do you use at night? What appliances do you have in your home? Anything that gives you heat or light uses energy. Household appliances use energy. In your…
The world is full of movement.Trees move in the wind.Aircraft fly in the air.Ships sail on the sea.People and animals move around.None of these things can move without energy. Living things and machines need energy in order to work. Where…
Who invented the airplane? The thought of flying like a bird, is among the oldest of human dreams. One of the most famous legends of the ancient Greeks, talks about Icarus, who glued wings with wax to himself and soared…
Have you ever wondered who invented the parachute? Imagine if you find yourself into an empty space at the height of 4-5 miles above the Earth, and yet you have landed on the ground as if you jumped from fence…
People for long time have dreamed of a flying machine that could rise from the ground right up. Leonardo Da Vinci around year 1500, made a drawing of giant helicopter, which looked like a screw. Leonardo never attempted to make…
On a square sheet of paper cut from the corners four straight-line incisions. Fold toward the middle every second end, and pierce all four tops with needle trough the center of the sheet. How to Make a Pinwheel: Attach the…
The paper ball is very interesting project consisting of three circles of paper A, B and C.The three parts should be inserted appropriately one into another in order to make the ball.You can draw the circles by yourself or you…
To make this harmless and loud toy – the Paper Banger, we need strong sheet of paper size 6,3 x 9,5 inches (16 x 24 cm) (or other sheet of paper with edge ratio 2:3). How to make paper bangers?…
It is very easy to make a Paper Cup and use it as a drinking cup, in cases when we are forced to drink water with our hands. All we need is a clean sheet of paper with dimension 20…