gunt.de/en/products/fluid-mechanics/glct-1:pa-148:ca-139 Some idea can be found there for small projects
YouTube links
Specific gravity
https://www.youtube.com/watch?v=nVPrWz8Jfgo
Surface tension
https://www.youtube.com/watch?v=pmagWO-kQ0M
Viscosity, Cohesive and Adhesive Forces, Surface Tension, and Capillary Action
https://www.youtube.com/watch?v=P_jQ1B9UwpU
How to test the Viscosity of a Liquid
https://www.youtube.com/watch?v=2Gdxu4XcsbY
Non-Newtonian Fluids
https://www.youtube.com/watch?v=2mYHGn_Pd5M
Cavitation
https://www.youtube.com/watch?v=U-uUYCFDTrc
https://www.youtube.com/watch?v=ON_irzFAU9c
https://www.youtube.com/watch?v=gRsvO4Gpnf0
Pascal's law - Principle of hydraulic lift
https://www.youtube.com/watch?v=qGQ4fojjwvQ
https://www.youtube.com/watch?v=A3ormYVZMXE
https://www.youtube.com/watch?v=YlmRa-9zDF8
Bernoulli's principle
https://www.youtube.com/watch?v=UJ3-Zm1wbIQ
What is Pitot tube? (Stagnation and Dynamic Pressure)
https://www.youtube.com/watch?v=3zEdtkuNYLU
LAMINAR AND TURBULENT FLOW
https://www.youtube.com/watch?v=VLncP2OQSig