Books about PHYSICS are shelved under call numbers 530 and 531.
Books about MATTER are shelved under call numbers 530 and 530.4.
Books about ENERGY are shelved under call numbers 333.79, 531, and 621.042.
Energy Properties
Renewable Energy
Chemical Elements
Mixing Chemical Elements
Books about ELECTRICITY are shelved under the call number 537
Books about LIGHT are shelved under the call number 535. Books about SOUND are shelved under 534.
Light
Sound
Books about ENGINEERING are shelved under the call numbers 624 and 720
Books about SIMPLE MACHINES are shelved under the call number 621.8.
Books about ASTRONOMY are shelved under call numbers 520, 522, 523, 576.
The Solar System
Specific Planets
Books about SPACE TRAVEL and ASTRONAUTS are shelved under call numbers 629.
Space Station
Rockets & Space Vehicles
Astronauts
Books about STARS and CONSTELLATIONS are shelved under call numbers 520 and 523.8.
Books about the SUN are shelved under the call number 523.7.
Books about DAY and NIGHT are shelved under the call number 525.
Books about SOLAR ENERGY are shelved under the call number 621.
Day and Night
Solar Energy
Books about the MOON are shelved under the call number 523.3.
Books about INVENTIONS are shelved under the call number 609.
Inventions
Inventors & Innovators
Computer Technology
Books about AIRPLANES and FLIGHT are shelved under the call number 629.