Glass
Glass is a non-crystalline, amorphous solid that is often transparent and has widespread use in everyday objects such as windows, containers, and optics. It is primarily made from silica, soda ash, and lime.
Properties of Glass
- Transparent or translucent
- Brittle
- Non-crystalline
- Low electrical conductivity
- Resistant to chemical corrosion
Types of Glass
There are several types of glass, each with unique properties and uses:
- Soda-lime glass: Used in windows, bottles, and light bulbs.
- Borosilicate glass: Known for its resistance to thermal shock, used in laboratory glassware and kitchenware.
- Tempered glass: Stronger and safer than regular glass, used in shower doors, car windows, and architectural glass.
- Float glass: Manufactured using a float process, used in windows and mirrors.
Uses of Glass
- Windows and doors
- Bottles and containers
- Optical lenses and fibers
- Art and decoration
- Electronics and telecommunications
Study Guide Questions
- What are the primary components of glass?
- Explain the properties of glass.
- Discuss the different types of glass and their uses.
- Provide examples of everyday objects made from glass.
◂Science Worksheets and Study Guides Seventh Grade. Sound
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Worksheet/Answer keyWorksheet/Answer keyVocabulary/Answer keyVocabulary/Answer keyVocabulary/Answer keyVocabulary/Answer keyThe resources above cover the following skills:
Skills and Processes: Students will demonstrate the thinking and acting inherent in the practice of science.
Applying Evidence and Reasoning: Review data from a simple experiment, summarize the data, and construct a logical argument about the cause-and-effect relationships in the experiment.
Describe the reasoning that lead to the interpretation of data and conclusions drawn.