Electricity
Got stucked at night ? Can't see anything ?Don't have a flashlight ?
Well a pencil will do !!!
"How to turn your pencil into light"
Click here to see yourself :)
Cells
There is a Whole World in just a Drop of Water
Explore microscopic life in a local pond, marsh, or stream. A cup of water can contain millions of microorganisms. Seeing tiny single celled organisms through a microscope really brings home to kids the concept of cells and the idea that there are living things too small to see with the naked eye.
Simple Way to Learn about Microscopic Organisms and Microscopes
Watching the tiny little creatures in a drop of water can be endlessly fascinating. So many tiny forms of life that humans never knew about before microscopes were invented only about 400 years ago.What do you need?
Jar of Water - Take a jar to a local pond, marsh, or stream and fill it with water.
Microscope - A basic compound microscope is all you need.
Slides and Slide Covers- Most microscopes come with some blank slides or you can buy them separately. For this you will need well slides, these have a small dip in the center.
Eye Dropper - For dropping a tiny bit of water onto your slide.
Disolving Salt in Water
Let's say you are on a lonley island. You ran out of water. All you have left is a metal container, some matches and mother nature. You need water. How can you survive ?
Minerals
Can you make a gas from liquid and solid ? If yes how can you proof it ?
This is what you need:
How to grow your own Sugar Candy Rock Crystal
What is a crystal ?
A crystal is a substance that has a highly ordered internal structure. Crystals can be composed of atoms, molecules, or ions.
Examples of common crystals include sugar and salt. Most gemstones are crystals, such as diamonds, emeralds, and rubies. Some materials that are called 'crystal' but really aren't include all types of glass and faceted plastic. Crystals can be shaped or cut, but their internal repeating structure often gives them a characteristic shape without any treatment.
Water and it's weight
How can you proof that hot water is lighter as cold water? If so, can you expain why ?
This is what you need:
Click here to see a scientific explanation.
Water, oxygen and pressure
A man in a restaurant asked a waiter for a juice glass, a dinner plate, water, a match, and a lemon wedge.
The man poured enough water onto the plate to cover it.
"If you can get the water on the plate into this glass without touching or moving this plate, I will give you $100," the man said. "You can use the match and lemon to do this."
"If you can get the water on the plate into this glass without touching or moving this plate, I will give you $100," the man said. "You can use the match and lemon to do this."
A few minutes later, the waiter walked away with $100 in his pocket. How did the waiter get the water into the glass?
