Teaching science through experimental methods are setup as a project task to the kids will give a good influence on a kid's mind. The object that was learned in the science closer to kids. They can learn science through experimentation activities. Through this experimental method, it is expected that children can learn science in meaningfull learning.
You can download this science article by clicking the link below. There is also a math game for kids that you can download here.
Science experiments for elementary school grade 4 part 1
Model spiral ajaib 4 SD download