Florida Test 2024 Document - Grade 8 Science

Front

What is the interaction between the biosphere and the atmosphere that affects CO2 levels?

Back

Plants grow leaves in the spring and lose leaves in the fall, which affects atmospheric carbon dioxide levels.

Front

What is a limiting factor in an ecosystem?

Back

A limiting factor is a condition that restricts the growth, abundance, or distribution of an organism or a population of organisms in an ecosystem.

Front

What is a compound?

Back

A compound is a substance made up of two or more elements that are chemically combined.

Front

What does the law of conservation of mass state?

Back

The law of conservation of mass states that mass is neither created nor destroyed in a closed system.

Front

What is a scientific theory?

Back

A scientific theory is an explanation of scientific events that may change based on continuous research.

Front

What is the role of plants in the carbon cycle?

Back

Plants absorb carbon dioxide during photosynthesis, which helps regulate atmospheric CO2 levels.

Front

What is an ecosystem?

Back

An ecosystem is a community of living organisms interacting with their physical environment.

Front

What is the significance of shelter and nesting sites for alligators?

Back

Shelter and nesting sites are crucial for alligator populations as they provide safety and breeding grounds.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Front

What is an example of a limiting factor affecting animal populations?

Back

Reduction of shelter and nesting sites can significantly impact animal populations, such as alligators.