Dont be an idiot 5 year olds can't use 3D Editing software.
how make this house
well, you can go to other sites
with some Styrofoam balls
you build it
How to make a model of an energy class science project
Go onto Woodland school. Go to google.com and type woodland school
Grade 6 can make science investigatory project Like: Horsetail can make us beautiful. Electromagnet. Guava can make into soap. Ashitaba leaves.
You don't make it its hard
Making a volcano for a 6th grade project is very simple. Make the volcano out of paper mache and use baking soda and vinegar for the explosion.
You would first need to get all of the materials. Follow the instructions given by the teacher and try to make everything to scale.
how to make a mini tree house model
Since grade 7 is usually Life Science, make a cell model. You could also do a Global Warming project, which would show environmental impact, and whether it is actually real or just a hoax. If whoever it is in seventh grade is working on this, you could do densities or masses. Or the planets (interia, ellipses, eclipses, ect.)