Sink and Float: What do you observe about objects that sink and objects that float?
Optical Illusions: What are optical illusions?
Slippery Slime: What are the properties of slime when you pull it slowly? What are the properties when you pull it quickly?
Crazy Catapults: What simple machine are you using when you create a catapult?
Balancing Butterflies: What is causing the butterfly to remain balanced?
Sound/Light: How do properties of objects affect sound? How do light and sound travel?
Circuits/Electromagnetic: What is the relationship between electricity and magnetism?
Super Spinners: How does the surface on which you spin your top change the speed of the spinning top?