hola = hi!
alto/a = high
To say 'I have a microwave' in Spanish, you would say 'Tengo una microonda.'
You say, ¿Cuán alto?
La escuela secundaria is high school in Spanish. Spanish(Mexico): Preparatoria
To say 'I have a notebook' in Spanish, you would say 'Tengo un cuaderno.'
To say 'furniture shop' in Spanish, you would say 'muebleria.'
To say 'rich' in Spanish, you would say 'rico.'
To say 'condensation' in Spanish, you would say 'condensación.'
To say 'evaporation' in Spanish, you would say 'evaporación.'
To say 'decompostion' in Spanish, you would say 'descomposición.'
To say 'knives' in Spanish, you would say 'cuchillos.'
You would say "español". It is not normally capitalized.
To say "to skate" in Spanish, you would say "patinar".