Fire,chemicals and a lot of other stuff
A fun and safe science experiment for children to perform is the classic cola and Mentos experiment. This is done by dropping a Mentos in a large bottle of cola, it results in rapid and extreme frothing of the cola which shoots out of the bottle like an explosion.
I would suggest that you not allow your children to use the typical water generator. Things like this are meant for adult use, and the only way to stay 100% safe is to keep your children away from objects that could pose any type of hazard.
Packaged science experiments and kits are safe for children as long as there is adult supervision while the kit or experiment is being used. These items have an age suggestion on the packaging, but it it still best to always have an adult present when in use.
keep distance with moving objects.
Astronomy is the study of celestial objects (Space objects).
meteorology
To prevent young children from putting small objects or sucking on toys, keep small items out of reach, choose age-appropriate toys, supervise playtime, and teach children about choking hazards. Regularly check toys for loose parts and ensure they are safe for young children.
Many things are safe when given to children.
children who had used transitional objects at age 4 were
velocity
Astronomy
The Alliance for Safe Children was created in 2002.