Buoyancy
Buoyancy is the ability of an object to float in a fluid, such as water or air. It is a result of the upward force exerted by the fluid on the object.
Principle of Buoyancy
The principle of buoyancy is based on Archimedes' principle, which states that the buoyant force acting on an object submerged in a fluid is equal to the weight of the fluid displaced by the object.
Factors Affecting Buoyancy
- Volume: The greater the volume of an object, the greater the buoyant force acting on it.
- Density: An object with a lower density than the fluid will float, while an object with a higher density will sink.
- Fluid Density: The denser the fluid, the greater the buoyant force acting on the object.
Applications of Buoyancy
Buoyancy has various practical applications, including the design of ships, submarines, hot air balloons, and life jackets.
Study Guide
Here are some key points to remember when studying buoyancy:
.◂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.