Big Book of the best experiments and experiments

Physics and chemistry lessons seem boring, and homework for these subjects - too complicated? But most phenomena that occur every day around you are explained by these sciences. And you can learn the laws of physics and the properties of various substances very easily, having done fascinating experiments from this book. Following step -by -step instructions accompanied by explaining illustrations, you will find out what nature the sound and light have, study the properties of water and air, get acquainted with the centripetal and magnetic forces, you will figure out what the laws of the moving bodies are subordinate and how static electricity arises, you will investigate substances and chemical compounds. Performing these simple, but spectacular experiments, you will not only replenish your knowledge of knowledge, but also spend the time excellent!
for secondary school age