Crystalline Structure
Crystalline structure refers to the repeating pattern of particles in a solid. In a crystalline substance, the atoms, ions, or molecules are arranged in a highly ordered three-dimensional structure, forming a crystal lattice. This arrangement gives crystals their unique shape and properties.
Key Concepts:
- Lattice Structure: The arrangement of particles in a crystal lattice.
- Unit Cell: The smallest repeating unit of a crystal lattice.
- Crystal Systems: There are seven crystal systems, each with unique geometric characteristics.
- Crystallography: The study of crystals and their structure.
Study Guide:
Use the following study guide to master the topic of crystalline structure:
- Define crystalline structure and explain its significance in the properties of solids.
- Describe the concept of a crystal lattice and its role in determining the shape of crystals.
- Identify and explain the characteristics of a unit cell in a crystal lattice.
- Discuss the seven crystal systems and their unique geometric features.
- Explore the applications of crystallography in various scientific and industrial fields.
◂Science Worksheets and Study Guides Seventh Grade. Introduction to Plants
Study Guide
Introduction to Plants 
Worksheet/Answer key
Introduction to Plants Worksheet/Answer key
Introduction to Plants Worksheet/Answer key
Introduction to Plants Worksheet/Answer key
Introduction to Plants Vocabulary/Answer key
Introduction to Plants Vocabulary/Answer key
Introduction to Plants Vocabulary/Answer key
Introduction to Plants Vocabulary/Answer key
Introduction to Plants Vocabulary/Answer key
Introduction to Plants
Worksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyVocabulary/Answer keyVocabulary/Answer keyVocabulary/Answer keyVocabulary/Answer keyVocabulary/Answer keyThe resources above cover the following skills:
LIFE SCIENCE
Ecosystems: Interactions, Energy, and Dynamics
Use evidence and scientific reasoning to explain how characteristic animal behaviors (e.g., building nests to protect young from cold, herding to protect young from predators, attracting mates for breeding by producing special sounds and displaying colorful plumage, transferring pollen or seeds to create conditions for seed germination and growth) and specialized plant structures (e.g., flower brightness, nectar, and odor attracting birds that transfer pollen; hard outer shells on seeds providing protection prior to germination) affect the probability of successful reproduction of both animals and plants.