Most asteroids are irregular, rocky chunks of matter which orbit the Sun. Until 2006, Ceres was considered to be the largest asteroid with a diameter of about 600 miles (960 km). It was not its size that changed its classification, instead other physical features were the deciding factors that boosted the hunk of rock into […]
Growing Rock Candy: Variables
Experiment for Growing Sugar Crystals Variables Dependent Variable: amount of sugar crystals collected Independent Variable: The independent variable is a part of the experiment that if changed could affect the dependent variable.I have identified all the possible independent variables in the following descriptive experiment. Notice that instead of just making a list of the variables, […]
Sound: Pitch vs. Loudness
Things that vibrate send out sound waves. Characteristics of sound include, pitch, loudness, and quality. The pitch of a sound is how high or low a sound is. Pitch is basically your ears’ response to the frequency of a sound. Note: Original Art and more information found here: Mediacollege.com How Sound Works. Snagit and Snagit […]
Rusting
Rusting is a Chemical Reaction Rusting is a type of chemical reaction called a combination reaction. A combination reaction means that substances combine to form one product. Rusting is the combination of iron and oxygen. Iron + Oxygen yields Iron Oxide (iron III oxide) Iron oxide (rust) has a reddish brown color as shown in […]
Chemical Symbols
A chemical symbol is an abbreviated way of representing the name of an element. For example: H for hydrogen; C for carbon; Au for gold In the early 1800s the British scientist John Dalton (1766-1844) first used picture symbols for elements. These were designed so that other scientists could learn by sharing ideas. Soon after […]
What is a Supersaturated Solution?
What is a Solution? How do You Saturated A Solution? A solution is a homogeneous mixture, meaning it is the same throughout. A solution can be made of more than two substance, with one of the substances being the solvent and the substances that dissolve in the solvent are called solutes. You make and use […]
Balloon Rocket Projects
Science Fair Project Category: Astrophysics Topic: Balloon Rocket Introduction The development of the science fair project described in this booklet can be used for any 6th through 12th grade student. This is because the basic process is the same no matter what grade you are in. The difference is in the complexity of the project. […]
Crystalline Solids
Crystalline solids are solids made of crystals. Crystals are solids with flat surfaces. Crystals are made of chemicals arranged in a regular, repeating pattern. Crystals are made of chemicals that fit together much like a puzzle. The shape of a crystal depends on the shape of the chemical building blocks that it is made of. […]
Sky Color
Blue Sky The sky appears to be a colored surface above the Earth. During the day the sky’s color varies in shades of blue. At sunrise and sunset its colors may be vivid shades of red, pink, orange, yellow, and blue. Your eyes have special light receiving cells called cones. These cells take in light […]
Gold Isotopes
Atoms are the smallest particle of an element that retains the characteristics of the element. For Example: The gold nugget in the diagram is made up of individual gold atoms. Gold Atom Diagram The circle represents the nucleus of a gold atom. Outside the nucleus of the gold atom are 79 electrons (negative charges). Electrons […]
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