physical change
In a physical change, the form, phase, or shape of a material may change, but its chemical makeup remains the same. Examples include ice melting into liquid water, or tearing a piece of paper.
Attack of the Blob
The Explorers spent some time at the end of January examining the difference between physical and chemical changes, with some markedly gooey results.
Tags: Getting goo-fy
In January 2010 the Explorers investigated the difference between “physical changes” and “chemical changes,” demonstrating a chemical change with a combination of plain old glue, water, and a powder known as borax.
The Explorers started by discussing the difference between the two types of changes that a substance can undergo—an especially pertinent topic since the fourth graders have been learning about that very thing in science class.
Current weather
OH - Dayton / Wright-Patterson Air Force Base
- Overcast
- Temperature: 30.2 °F / -1 °C
- Wind: Southwest, 11.5 mph
- Pressure: 1023 hPa
- Rel. Humidity: 69 %
- Visibility: 16.1 km
Thu, 02/09/2012 - 23:55