Objective:
To demonstrate how a black hole may be formed.

Standards:
Objects in the Sky (sky object properties, locations, and movements), Origin and Evolution of the Universe (star and galaxy formation; how stars produce energy and the formation of all elements), and Motions and Forces (gravitation properties and predicting its strength).

Materials:
two small, [...]

Difficulty Level:

Objective
In this experiment you will test if different volumes of air will cause a balloon powered hovercraft to travel for longer periods of time.
Introduction
A hovercraft is a vehicle that glides over a smooth surface by hovering upon an air cushion. Because of this, a hovercraft is also called an Air-Cushion Vehicle or ACV. The [...]