Time Machines: Black Holes & Time Travel (Space Exploration) – NO Prep – Science Substitute Plan – 6x WebQuests Inspirational Science For Subs presents 6 WebQuests designed to ignite curiosity and engage Science Ninjas in high school. Dive into the realms of Physics, Astrophysics, Theoretical Physics, Quantum Physics, and Cosmology with captivating activities on Time Machines, Black Holes, and Time Travel. Let the exploration begin! Hey there, Science Ninjas! Welcome to Inspirational Science