What Equation Relates Speed, Distance and Time?

What is Newton's First Law?

What is Newton's Second Law?

What is Ultrasound?

Fill in the Blank:

Ultrasound Waves get ________ ________ at Boundaries

How can the Partial Reflection of Ultrasound be Useful?

What are some Examples of the Uses of Ultrasound?

What Equation links Distance, Wavespeed and Time?

What is a Convex Lens?

What Type of Image do Convex Lenses Form?

How do you Draw a Ray Diagram for a Convex Lens?

Fill in the Blank:

Electrons can be ______ to Higher _______ _______

How does an Inner Electron Move Up to a Higher Energy Level / Shell?

What Happens to an Excited Electron after it Moves Up to a Higher Energy Level?

What is Half-Life?

How Dangerous are Sources with a Short Half-Life?

How Dangerous are Sources with a Long Half-Life?

How does Electromagnetic Radiation change Temperatures?

What is the Life-Cycle of a Star?

What is a Nebula?

How does a Nebula turn into a Protostar and then a Main Sequence Star?

Why are Main Sequence Stars Stable?

How do Main Sequence Stars turn into Red (Super)Giants?

How does a Red Giant become a White Dwarf?

How does a Red Supergiant become a Supernova?

How does a Supernova become a Neutron Star or Black Hole?

What is the Big Bang Theory?

How is Cosmic Microwave Background Radiation Evidence for the Big Bang?