Science Notes Posts

If you live in a place that gets winter, you know (or may be) a person who steps outdoors, sniffs the airs, and declares it “smells like snow.” Others might not be keen on weather prediction, but swear the fluffy, white flakes have a distinctive aroma. Can you tell when […]

Can You Smell Snow?

Glassware Chemistree
A chemistree is a festive and educational holiday decoration. There are several ways to make a chemistree, so no matter what materials you have, you can celebrate the season with chemistry! Chemistry Glassware Chemistree If you have access to a laboratory, a glassware chemistree is stunning. The basic idea is […]

5 Ways to Make a Chemistree Christmas Tree   Recently updated !

Chemistry up your Christmas celebration with this periodic table Christmas tree. This Christmas tree contains all 118 elements of the periodic table including the proposed names of elements 113, 115, 117, and 118. Each tile contains the element’s number, symbol, and name. Wear Your Own Chemis-tree (or enjoy a coffee) […]

Periodic Table Christmas Tree   Recently updated !

Periodic Table Metals - 2017 5
Most elements can be considered metals. They are grouped together in the middle to the left-hand side of the periodic table. The metals consist of the alkali metals, alkaline earths, transition metals, lanthanides, and actinides. Properties of Metals The metals share several common properties, including: solid at room temperature (with […]

List of Metals

Percent error is the percent difference between a measured and expected value. (image credit: Sherman Geronimo-Tan) 9
Percent Error Definition Percent error, sometimes referred to as percentage error, is an expression of the difference between a measured value and the known or accepted value. It is often used in science to report the difference between experimental values and expected values. The formula for calculating percent error is: […]

Calculate Percent Error

Icelandic Blue Striped Iceberg
Most icebergs are white, but they occur in a wide range of colors, including blue, green, yellow, black, and striped. The colors depend on the amount of air in the ice and whether it contains any impurities. Iceberg color changes over time. Exposure to air and sunlight can erode the […]

What Color Is an Iceberg?