science
Just an initial demo map, so that you don't start with an empty map list ...
science
by Zé Carlos Pereira
1. pendulum
1.1. clamp
1.2. base
1.3. stand
1.4. string
1.5. bob
2. cells
2.1. animal cell
2.2. plant cell
3. energys
3.1. renewable energy
3.2. kinetic energy
4. scientific method
4.1. starts with a question
4.2. steps for research
4.3. prevensts bias
4.4. steps
4.4.1. explanations
4.4.2. disproves aprove
4.4.3. modify