Kids
Chlorine explained, for kids
• Chlorine is an element used in industry and found in some household products. • Chlorine is sometimes in the form of a poisonous gas. Chlorine gas can be pressurized and cooled to change it into a liquid so that it can be shipped and stored. When liquid chlorine is released, it quickly turns into [...]
Microorganisms
microorganisms explained, for kids
Pupil
The central opening of your eye is known as the pupil, it changes size depending on the amount of light.The pupil is the hole in the center of the iris that light passes through.
Roots explained, for kids
roots explained, for kids
Metal Detectors
metal detectors explained, for kids
Coal
A brown to black combustible rock that originated by accumulation and subsequent physical and chemical alteration of plant material over long periods of time, and that on a moisture-free basis contains no more than 50% mineral matter. The plant debris accumulated in various wet environments, commonly called peat swamps, where dead plants were largely protected [...]
Landfill
Landfills explained, for kids
Air Purifier
air purifiers explained, for kids
Marbles
A metamorphic rock formed by alteration of limestone or dolomite, often irregularly colored by impurities, and used especially in architecture and sculpture. Granular limestone or dolomite that has recrystallized under the influence of heat, pressure, and aqueous solutions. The main mineral in marble is calcite. Commercially, “marble” includes all decorative calcium-rich rocks that can be [...]
Algae
Algae, explained for kids
Salt
A crystallized, odorless and flaky substance with a pungent taste and soluble in water.
Matter
Matter explained, for kids
Calendars
calendars explained, for kids
Windmill
A windmill is a structure or machine that converts wind into usable energy through the rotation of a wheel made up of adjustable blades. Traditionally, the energy generated by a windmill has been used to grind grain into flour. Windmills are designed by skilled craftsmen and can be constructed on site using hand tools. Windmills [...]
Marshmallows
Marshmallows explained, for kids
Video Games
video games explained, for kids
Avalanche
Avalanches explained, for kids
Bruises
bruising explained, for kids
Glues and Superglues
Glues explained, for kids
